870524028 has 36 divisors (see below), whose sum is σ = 2400537048. Its totient is φ = 263795040.

The previous prime is 870524027. The next prime is 870524069. The reversal of 870524028 is 820425078.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 870523983 and 870524001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870524027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1098751 + ... + 1099542.

Almost surely, 2^870524028 is an apocalyptic number.

It is an amenable number.

870524028 is an abundant number, since it is smaller than the sum of its proper divisors (1530013020).

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

870524028 is a wasteful number, since it uses less digits than its factorization.

870524028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198314 (or 2198309 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 870524028 is about 29504.6441768071. The cubic root of 870524028 is about 954.8319022866.

The spelling of 870524028 in words is "eight hundred seventy million, five hundred twenty-four thousand, twenty-eight".