401503896 has 96 divisors (see below), whose sum is σ = 1154150400. Its totient is φ = 125737920.

The previous prime is 401503889. The next prime is 401503903. The reversal of 401503896 is 698305104.

It is an interprime number because it is at equal distance from previous prime (401503889) and next prime (401503903).

It is a super-2 number, since 2×401503896² = 322410757006357632, which contains 22 as substring.

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 401503896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172581 + ... + 174891.

It is an arithmetic number, because the mean of its divisors is an integer number (12022400).

Almost surely, 2^401503896 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 401503896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577075200).

401503896 is an abundant number, since it is smaller than the sum of its proper divisors (752646504).

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

401503896 is a wasteful number, since it uses less digits than its factorization.

401503896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 401503896 is about 20037.5621271651. The cubic root of 401503896 is about 737.7285449303.

The spelling of 401503896 in words is "four hundred one million, five hundred three thousand, eight hundred ninety-six".