873457 has 4 divisors (see below), whose sum is σ = 940660. Its totient is φ = 806256.

The previous prime is 873437. The next prime is 873461. The reversal of 873457 is 754378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 349281 = 724^2 + 591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873407) 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, 33582 + ... + 33607.

It is an arithmetic number, because the mean of its divisors is an integer number (235165).

2⁸⁷³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

873457 is a deficient number, since it is larger than the sum of its proper divisors (67203).

873457 is a wasteful number, since it uses less digits than its factorization.

873457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67202.

The product of its digits is 23520, while the sum is 34.

The square root of 873457 is about 934.5892145750. The cubic root of 873457 is about 95.5903041000.

The spelling of 873457 in words is "eight hundred seventy-three thousand, four hundred fifty-seven".