90493712 has 40 divisors (see below), whose sum is σ = 185916672. Its totient is φ = 42595200.

The previous prime is 90493693. The next prime is 90493721. The reversal of 90493712 is 21739409.

It is a super-2 number, since 2×90493712² = 16378223823077888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15887 + ... + 20817.

Almost surely, 2^90493712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90493712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92958336).

90493712 is an abundant number, since it is smaller than the sum of its proper divisors (95422960).

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

90493712 is a wasteful number, since it uses less digits than its factorization.

90493712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 90493712 is about 9512.8182995367. The cubic root of 90493712 is about 448.9584338583.

The spelling of 90493712 in words is "ninety million, four hundred ninety-three thousand, seven hundred twelve".