401604654 has 16 divisors (see below), whose sum is σ = 876228480. Its totient is φ = 121698360.

The previous prime is 401604647. The next prime is 401604667. The reversal of 401604654 is 456406104.

It is a super-2 number, since 2×401604654² = 322572596228919432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042394 + ... + 3042525.

It is an arithmetic number, because the mean of its divisors is an integer number (54764280).

Almost surely, 2^401604654 is an apocalyptic number.

401604654 is an abundant number, since it is smaller than the sum of its proper divisors (474623826).

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

401604654 is a wasteful number, since it uses less digits than its factorization.

401604654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084935.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 401604654 is about 20040.0761974599. The cubic root of 401604654 is about 737.7902511275.

The spelling of 401604654 in words is "four hundred one million, six hundred four thousand, six hundred fifty-four".