870834417 has 16 divisors (see below), whose sum is σ = 1203171840. Its totient is φ = 559594112.

The previous prime is 870834413. The next prime is 870834431. The reversal of 870834417 is 714438078.

It is a cyclic number.

It is not a de Polignac number, because 870834417 - 2² = 870834413 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (870834413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45568 + ... + 61790.

It is an arithmetic number, because the mean of its divisors is an integer number (75198240).

Almost surely, 2^870834417 is an apocalyptic number.

870834417 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

870834417 is a deficient number, since it is larger than the sum of its proper divisors (332337423).

870834417 is a wasteful number, since it uses less digits than its factorization.

870834417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 870834417 is about 29509.9037104495. The cubic root of 870834417 is about 954.9453719106.

The spelling of 870834417 in words is "eight hundred seventy million, eight hundred thirty-four thousand, four hundred seventeen".