90307044 has 36 divisors (see below), whose sum is σ = 236150460. Its totient is φ = 29064000.

The previous prime is 90307027. The next prime is 90307067. The reversal of 90307044 is 44070309.

It can be written as a sum of positive squares in 2 ways, for example, as 65804544 + 24502500 = 8112^2 + 4950^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 90306999 and 90307017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42207 + ... + 44294.

It is an arithmetic number, because the mean of its divisors is an integer number (6559735).

Almost surely, 2^90307044 is an apocalyptic number.

It is an amenable number.

90307044 is an abundant number, since it is smaller than the sum of its proper divisors (145843416).

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

90307044 is a wasteful number, since it uses less digits than its factorization.

90307044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86540 (or 86535 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 90307044 is about 9503.0018415236. The cubic root of 90307044 is about 448.6495215535.

The spelling of 90307044 in words is "ninety million, three hundred seven thousand, forty-four".