870269428 has 24 divisors (see below), whose sum is σ = 1741342400. Its totient is φ = 372800448.

The previous prime is 870269419. The next prime is 870269441. The reversal of 870269428 is 824962078.

It is a super-2 number, since 2×870269428² = 1514737754622894368, which contains 22 as substring.

It is a congruent number.

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, 68608 + ... + 80296.

Almost surely, 2^870269428 is an apocalyptic number.

It is an amenable number.

870269428 is an abundant number, since it is smaller than the sum of its proper divisors (871072972).

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

870269428 is a wasteful number, since it uses less digits than its factorization.

870269428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359 (or 14357 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 870269428 is about 29500.3292862978. The cubic root of 870269428 is about 954.7388074388.

The spelling of 870269428 in words is "eight hundred seventy million, two hundred sixty-nine thousand, four hundred twenty-eight".