428112902 has 48 divisors (see below), whose sum is σ = 804767040. Its totient is φ = 169746192.

The previous prime is 428112899. The next prime is 428112943. The reversal of 428112902 is 209211824.

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, 77393 + ... + 82739.

It is an arithmetic number, because the mean of its divisors is an integer number (16765980).

Almost surely, 2^428112902 is an apocalyptic number.

428112902 is a deficient number, since it is larger than the sum of its proper divisors (376654138).

428112902 is a wasteful number, since it uses less digits than its factorization.

428112902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 428112902 is about 20690.8893477298. The cubic root of 428112902 is about 753.6784635641.

The spelling of 428112902 in words is "four hundred twenty-eight million, one hundred twelve thousand, nine hundred two".