86913630 has 48 divisors (see below), whose sum is σ = 227451744. Its totient is φ = 23025600.

The previous prime is 86913613. The next prime is 86913641. The reversal of 86913630 is 3631968.

It is a happy number.

86913630 is a `hidden beast` number, since 8 + 6 + 9 + 13 + 630 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11055 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (4738578).

Almost surely, 2^86913630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86913630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113725872).

86913630 is an abundant number, since it is smaller than the sum of its proper divisors (140538114).

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

86913630 is a wasteful number, since it uses less digits than its factorization.

86913630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 86913630 is about 9322.7479854386. The cubic root of 86913630 is about 442.9580815950.

It can be divided in two parts, 8691 and 3630, that added together give a palindrome (12321).

The spelling of 86913630 in words is "eighty-six million, nine hundred thirteen thousand, six hundred thirty".