87398652 has 24 divisors (see below), whose sum is σ = 222469632. Its totient is φ = 26484400.

The previous prime is 87398639. The next prime is 87398659. The reversal of 87398652 is 25689378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87398659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330924 + ... + 331187.

It is an arithmetic number, because the mean of its divisors is an integer number (9269568).

Almost surely, 2^87398652 is an apocalyptic number.

It is an amenable number.

87398652 is an abundant number, since it is smaller than the sum of its proper divisors (135070980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87398652 is a wasteful number, since it uses less digits than its factorization.

87398652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662129 (or 662127 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 87398652 is about 9348.7246188986. The cubic root of 87398652 is about 443.7805302806.

It can be divided in two parts, 8739 and 8652, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 87398652 in words is "eighty-seven million, three hundred ninety-eight thousand, six hundred fifty-two".