427891902 has 48 divisors (see below), whose sum is σ = 889246512. Its totient is φ = 137249280.

The previous prime is 427891873. The next prime is 427891957. The reversal of 427891902 is 209198724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 927952 + ... + 928412.

It is an arithmetic number, because the mean of its divisors is an integer number (18525969).

Almost surely, 2^427891902 is an apocalyptic number.

427891902 is an abundant number, since it is smaller than the sum of its proper divisors (461354610).

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

427891902 is a wasteful number, since it uses less digits than its factorization.

427891902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 427891902 is about 20685.5481435712. The cubic root of 427891902 is about 753.5487535360.

The spelling of 427891902 in words is "four hundred twenty-seven million, eight hundred ninety-one thousand, nine hundred two".