90899694 has 12 divisors (see below), whose sum is σ = 196949376. Its totient is φ = 30299892.

The previous prime is 90899687. The next prime is 90899701. The reversal of 90899694 is 49699809.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90899687) and next prime (90899701).

It is a self number, because there is not a number n which added to its sum of digits gives 90899694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524974 + ... + 2525009.

It is an arithmetic number, because the mean of its divisors is an integer number (16412448).

Almost surely, 2^90899694 is an apocalyptic number.

90899694 is an abundant number, since it is smaller than the sum of its proper divisors (106049682).

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

90899694 is a wasteful number, since it uses less digits than its factorization.

90899694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049991 (or 5049988 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 90899694 is about 9534.1331016511. The cubic root of 90899694 is about 449.6288198441.

The spelling of 90899694 in words is "ninety million, eight hundred ninety-nine thousand, six hundred ninety-four".