401304834 has 64 divisors (see below), whose sum is σ = 1031546880. Its totient is φ = 113268240.

The previous prime is 401304797. The next prime is 401304877. The reversal of 401304834 is 438403104.

It is a super-2 number, since 2×401304834² = 322091139583535112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401304798 and 401304807.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24979 + ... + 37769.

It is an arithmetic number, because the mean of its divisors is an integer number (16117920).

Almost surely, 2^401304834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401304834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515773440).

401304834 is an abundant number, since it is smaller than the sum of its proper divisors (630242046).

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

401304834 is a wasteful number, since it uses less digits than its factorization.

401304834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12892 (or 12886 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 401304834 is about 20032.5942903060. The cubic root of 401304834 is about 737.6066050626.

Adding to 401304834 its reverse (438403104), we get a palindrome (839707938).

The spelling of 401304834 in words is "four hundred one million, three hundred four thousand, eight hundred thirty-four".