401853804 has 24 divisors (see below), whose sum is σ = 1022900928. Its totient is φ = 121773840.

The previous prime is 401853757. The next prime is 401853817. The reversal of 401853804 is 408358104.

It is a super-2 number, since 2×401853804² = 322972959578540832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522042 + ... + 1522305.

It is an arithmetic number, because the mean of its divisors is an integer number (42620872).

Almost surely, 2^401853804 is an apocalyptic number.

401853804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401853804 is an abundant number, since it is smaller than the sum of its proper divisors (621047124).

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

401853804 is a wasteful number, since it uses less digits than its factorization.

401853804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044365 (or 3044363 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 401853804 is about 20046.2915273624. The cubic root of 401853804 is about 737.9427912264.

The spelling of 401853804 in words is "four hundred one million, eight hundred fifty-three thousand, eight hundred four".