90549896 has 64 divisors (see below), whose sum is σ = 190080000. Its totient is φ = 40239936.

The previous prime is 90549887. The next prime is 90549911. The reversal of 90549896 is 69894509.

It is a super-2 number, since 2×90549896² = 16398567331221632, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206045 + ... + 206483.

It is an arithmetic number, because the mean of its divisors is an integer number (2970000).

Almost surely, 2^90549896 is an apocalyptic number.

It is an amenable number.

90549896 is an abundant number, since it is smaller than the sum of its proper divisors (99530104).

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

90549896 is a wasteful number, since it uses less digits than its factorization.

90549896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 90549896 is about 9515.7709093904. The cubic root of 90549896 is about 449.0513282029.

The spelling of 90549896 in words is "ninety million, five hundred forty-nine thousand, eight hundred ninety-six".