870843974 has 48 divisors (see below), whose sum is σ = 1785215376. Its totient is φ = 313185600.

The previous prime is 870843949. The next prime is 870844001. The reversal of 870843974 is 479348078.

It is a super-2 number, since 2×870843974² = 1516738454104225352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17057 + ... + 45084.

It is an arithmetic number, because the mean of its divisors is an integer number (37191987).

Almost surely, 2^870843974 is an apocalyptic number.

870843974 is an abundant number, since it is smaller than the sum of its proper divisors (914371402).

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

870843974 is a wasteful number, since it uses less digits than its factorization.

870843974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62181 (or 62174 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 870843974 is about 29510.0656386935. The cubic root of 870843974 is about 954.9488652573.

The spelling of 870843974 in words is "eight hundred seventy million, eight hundred forty-three thousand, nine hundred seventy-four".