421152004 has 24 divisors (see below), whose sum is σ = 907097408. Its totient is φ = 166609440.

The previous prime is 421151993. The next prime is 421152023. The reversal of 421152004 is 400251124.

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, 578142 + ... + 578869.

Almost surely, 2^421152004 is an apocalyptic number.

It is an amenable number.

421152004 is an abundant number, since it is smaller than the sum of its proper divisors (485945404).

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

421152004 is a wasteful number, since it uses less digits than its factorization.

421152004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157035 (or 1157033 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 421152004 is about 20521.9883052301. The cubic root of 421152004 is about 749.5713129425.

The spelling of 421152004 in words is "four hundred twenty-one million, one hundred fifty-two thousand, four".