87949586 has 8 divisors (see below), whose sum is σ = 132316860. Its totient is φ = 43843968.

The previous prime is 87949583. The next prime is 87949591. The reversal of 87949586 is 68594978.

It can be written as a sum of positive squares in 2 ways, for example, as 86583025 + 1366561 = 9305^2 + 1169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87949583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64571 + ... + 65918.

Almost surely, 2^87949586 is an apocalyptic number.

87949586 is a deficient number, since it is larger than the sum of its proper divisors (44367274).

87949586 is a wasteful number, since it uses less digits than its factorization.

87949586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130828.

The product of its digits is 4354560, while the sum is 56.

The square root of 87949586 is about 9378.1440594608. The cubic root of 87949586 is about 444.7110626974.

The spelling of 87949586 in words is "eighty-seven million, nine hundred forty-nine thousand, five hundred eighty-six".