90086744 has 32 divisors (see below), whose sum is σ = 190218240. Its totient is φ = 39626400.

The previous prime is 90086743. The next prime is 90086747. The reversal of 90086744 is 44768009.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90086698 and 90086707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90086743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13784 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (5944320).

Almost surely, 2^90086744 is an apocalyptic number.

It is an amenable number.

90086744 is an abundant number, since it is smaller than the sum of its proper divisors (100131496).

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

90086744 is a wasteful number, since it uses less digits than its factorization.

90086744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33071 (or 33067 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 90086744 is about 9491.4036896552. The cubic root of 90086744 is about 448.2844043408.

The spelling of 90086744 in words is "ninety million, eighty-six thousand, seven hundred forty-four".