90973444 has 27 divisors (see below), whose sum is σ = 168695751. Its totient is φ = 42921000.

The previous prime is 90973439. The next prime is 90973451. The reversal of 90973444 is 44437909.

The square root of 90973444 is 9538.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×90973444² = 16552335026442272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90973397 and 90973406.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 362319 + ... + 362569.

Almost surely, 2^90973444 is an apocalyptic number.

90973444 is the 9538-th square number.

It is an amenable number.

90973444 is a deficient number, since it is larger than the sum of its proper divisors (77722307).

90973444 is a wasteful number, since it uses less digits than its factorization.

90973444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The cubic root of 90973444 is about 449.7503866689.

The spelling of 90973444 in words is "ninety million, nine hundred seventy-three thousand, four hundred forty-four".