872582438 has 32 divisors (see below), whose sum is σ = 1612398144. Its totient is φ = 344881152.

The previous prime is 872582423. The next prime is 872582453. The reversal of 872582438 is 834285278.

It is an interprime number because it is at equal distance from previous prime (872582423) and next prime (872582453).

It is a super-2 number, since 2×872582438² = 1522800222212047688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872582392 and 872582401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365906 + ... + 368282.

It is an arithmetic number, because the mean of its divisors is an integer number (50387442).

Almost surely, 2^872582438 is an apocalyptic number.

872582438 is a deficient number, since it is larger than the sum of its proper divisors (739815706).

872582438 is a wasteful number, since it uses less digits than its factorization.

872582438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416.

The product of its digits is 860160, while the sum is 47.

The square root of 872582438 is about 29539.5063939802. The cubic root of 872582438 is about 955.5838970131.

The spelling of 872582438 in words is "eight hundred seventy-two million, five hundred eighty-two thousand, four hundred thirty-eight".