421036902 has 48 divisors (see below), whose sum is σ = 1071736848. Its totient is φ = 117771840.

The previous prime is 421036901. The next prime is 421036927. The reversal of 421036902 is 209630124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421036901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79213 + ... + 84360.

It is an arithmetic number, because the mean of its divisors is an integer number (22327851).

Almost surely, 2^421036902 is an apocalyptic number.

421036902 is an abundant number, since it is smaller than the sum of its proper divisors (650699946).

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

421036902 is a wasteful number, since it uses less digits than its factorization.

421036902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163605 (or 163602 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 421036902 is about 20519.1837556955. The cubic root of 421036902 is about 749.5030200874.

The spelling of 421036902 in words is "four hundred twenty-one million, thirty-six thousand, nine hundred two".