854624638 has 16 divisors (see below), whose sum is σ = 1466327520. Its totient is φ = 365953536.

The previous prime is 854624627. The next prime is 854624653. The reversal of 854624638 is 836426458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8883 + ... + 42286.

It is an arithmetic number, because the mean of its divisors is an integer number (91645470).

Almost surely, 2^854624638 is an apocalyptic number.

854624638 is a deficient number, since it is larger than the sum of its proper divisors (611702882).

854624638 is a wasteful number, since it uses less digits than its factorization.

854624638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52371.

The product of its digits is 1105920, while the sum is 46.

The square root of 854624638 is about 29233.9637750340. The cubic root of 854624638 is about 948.9830809963.

It can be divided in two parts, 85462 and 4638, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 854624638 in words is "eight hundred fifty-four million, six hundred twenty-four thousand, six hundred thirty-eight".