90473444 has 12 divisors (see below), whose sum is σ = 165212544. Its totient is φ = 43269864.

The previous prime is 90473437. The next prime is 90473479. The reversal of 90473444 is 44437409.

It is a happy number.

It is a super-2 number, since 2×90473444² = 16370888138442272, 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, 491612 + ... + 491795.

It is an arithmetic number, because the mean of its divisors is an integer number (13767712).

Almost surely, 2^90473444 is an apocalyptic number.

It is an amenable number.

90473444 is a deficient number, since it is larger than the sum of its proper divisors (74739100).

90473444 is a wasteful number, since it uses less digits than its factorization.

90473444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983434 (or 983432 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 90473444 is about 9511.7529404416. The cubic root of 90473444 is about 448.9249134115.

The spelling of 90473444 in words is "ninety million, four hundred seventy-three thousand, four hundred forty-four".