870464340 has 48 divisors (see below), whose sum is σ = 2708112960. Its totient is φ = 232123680.

The previous prime is 870464339. The next prime is 870464389. The reversal of 870464340 is 43464078.

870464340 is a `hidden beast` number, since 8 + 7 + 0 + 4 + 643 + 4 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 870464295 and 870464304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805446 + ... + 806525.

It is an arithmetic number, because the mean of its divisors is an integer number (56419020).

Almost surely, 2^870464340 is an apocalyptic number.

It is an amenable number.

870464340 is an abundant number, since it is smaller than the sum of its proper divisors (1837648620).

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

870464340 is a wasteful number, since it uses less digits than its factorization.

870464340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611989 (or 1611981 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 870464340 is about 29503.6326576915. The cubic root of 870464340 is about 954.8100789146.

The spelling of 870464340 in words is "eight hundred seventy million, four hundred sixty-four thousand, three hundred forty".