852638 has 4 divisors (see below), whose sum is σ = 1278960. Its totient is φ = 426318.

The previous prime is 852623. The next prime is 852641. The reversal of 852638 is 836258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836258 = 2 ⋅418129.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 852638.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213158 + ... + 213161.

It is an arithmetic number, because the mean of its divisors is an integer number (319740).

2⁸⁵²⁶³⁸ is an apocalyptic number.

852638 is a deficient number, since it is larger than the sum of its proper divisors (426322).

852638 is a wasteful number, since it uses less digits than its factorization.

852638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426321.

The product of its digits is 11520, while the sum is 32.

The square root of 852638 is about 923.3839937967. The cubic root of 852638 is about 94.8247183432.

The spelling of 852638 in words is "eight hundred fifty-two thousand, six hundred thirty-eight".