421307952 has 40 divisors (see below), whose sum is σ = 1172102064. Its totient is φ = 129633024.

The previous prime is 421307947. The next prime is 421307963. The reversal of 421307952 is 259703124.

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, 336963 + ... + 338210.

Almost surely, 2^421307952 is an apocalyptic number.

It is an amenable number.

421307952 is an abundant number, since it is smaller than the sum of its proper divisors (750794112).

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

421307952 is a wasteful number, since it uses less digits than its factorization.

421307952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675197 (or 675191 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 421307952 is about 20525.7874879382. The cubic root of 421307952 is about 749.6638208895.

The spelling of 421307952 in words is "four hundred twenty-one million, three hundred seven thousand, nine hundred fifty-two".