401838192 has 160 divisors (see below), whose sum is σ = 1334914560. Its totient is φ = 113356800.

The previous prime is 401838191. The next prime is 401838193. The reversal of 401838192 is 291838104.

It is an interprime number because it is at equal distance from previous prime (401838191) and next prime (401838193).

It is a super-2 number, since 2×401838192² = 322947865099657728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401838191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250192 + ... + 251792.

It is an arithmetic number, because the mean of its divisors is an integer number (8343216).

Almost surely, 2^401838192 is an apocalyptic number.

401838192 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401838192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667457280).

401838192 is an abundant number, since it is smaller than the sum of its proper divisors (933076368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401838192 is a wasteful number, since it uses less digits than its factorization.

401838192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 401838192 is about 20045.9021248733. The cubic root of 401838192 is about 737.9332347559.

The spelling of 401838192 in words is "four hundred one million, eight hundred thirty-eight thousand, one hundred ninety-two".