90433444 has 12 divisors (see below), whose sum is σ = 158363100. Its totient is φ = 45186848.

The previous prime is 90433411. The next prime is 90433457. The reversal of 90433444 is 44433409.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 27040000 = 7962^2 + 5200^2 .

It is a super-2 number, since 2×90433444² = 16356415587402272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222 + ... + 13450.

It is an arithmetic number, because the mean of its divisors is an integer number (13196925).

Almost surely, 2^90433444 is an apocalyptic number.

It is an amenable number.

90433444 is a deficient number, since it is larger than the sum of its proper divisors (67929656).

90433444 is a wasteful number, since it uses less digits than its factorization.

90433444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942 (or 14940 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 90433444 is about 9509.6500461373. The cubic root of 90433444 is about 448.8587442951.

The spelling of 90433444 in words is "ninety million, four hundred thirty-three thousand, four hundred forty-four".