87396574 has 16 divisors (see below), whose sum is σ = 132926976. Its totient is φ = 43092000.

The previous prime is 87396563. The next prime is 87396577. The reversal of 87396574 is 47569378.

It is a happy number.

It is a super-2 number, since 2×87396574² = 15276322293874952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87396577) 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, 45024 + ... + 46924.

It is an arithmetic number, because the mean of its divisors is an integer number (8307936).

Almost surely, 2^87396574 is an apocalyptic number.

87396574 is a deficient number, since it is larger than the sum of its proper divisors (45530402).

87396574 is a wasteful number, since it uses less digits than its factorization.

87396574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its digits is 1270080, while the sum is 49.

The square root of 87396574 is about 9348.6134800836. The cubic root of 87396574 is about 443.7770131278. Note that the first 3 decimals are identical.

The spelling of 87396574 in words is "eighty-seven million, three hundred ninety-six thousand, five hundred seventy-four".