870537 has 8 divisors (see below), whose sum is σ = 1165120. Its totient is φ = 578160.

The previous prime is 870533. The next prime is 870547. The reversal of 870537 is 735078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870537 - 2² = 870533 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870537.

It is not an unprimeable number, because it can be changed into a prime (870533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (145640).

2⁸⁷⁰⁵³⁷ is an apocalyptic number.

It is an amenable number.

870537 is a deficient number, since it is larger than the sum of its proper divisors (294583).

870537 is a wasteful number, since it uses less digits than its factorization.

870537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 870537 is about 933.0257231181. The cubic root of 870537 is about 95.4836645031.

The spelling of 870537 in words is "eight hundred seventy thousand, five hundred thirty-seven".