401923296 has 120 divisors (see below), whose sum is σ = 1223034120. Its totient is φ = 129330432.

The previous prime is 401923243. The next prime is 401923331. The reversal of 401923296 is 692329104.

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

It is a self number, because there is not a number n which added to its sum of digits gives 401923296.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72495 + ... + 77841.

It is an arithmetic number, because the mean of its divisors is an integer number (10191951).

Almost surely, 2^401923296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401923296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611517060).

401923296 is an abundant number, since it is smaller than the sum of its proper divisors (821110824).

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

401923296 is a wasteful number, since it uses less digits than its factorization.

401923296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5381 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 401923296 is about 20048.0247406072. The cubic root of 401923296 is about 737.9853259030.

The spelling of 401923296 in words is "four hundred one million, nine hundred twenty-three thousand, two hundred ninety-six".