870481 has 4 divisors (see below), whose sum is σ = 908352. Its totient is φ = 832612.

The previous prime is 870479. The next prime is 870491. The reversal of 870481 is 184078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 870481 - 2¹ = 870479 is a prime.

It is a super-2 number, since 2×870481² = 1515474342722, which contains 22 as substring.

It is a Duffinian number.

870481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (870431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18901 + ... + 18946.

It is an arithmetic number, because the mean of its divisors is an integer number (227088).

2⁸⁷⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

870481 is a deficient number, since it is larger than the sum of its proper divisors (37871).

870481 is a wasteful number, since it uses less digits than its factorization.

870481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37870.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 870481 is about 932.9957127447. The cubic root of 870481 is about 95.4816170313.

The spelling of 870481 in words is "eight hundred seventy thousand, four hundred eighty-one".