90101944 has 16 divisors (see below), whose sum is σ = 169392600. Its totient is φ = 44930592.

The previous prime is 90101923. The next prime is 90101953. The reversal of 90101944 is 44910109.

It is a congruent number.

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, 11827 + ... + 17890.

Almost surely, 2^90101944 is an apocalyptic number.

It is an amenable number.

90101944 is a deficient number, since it is larger than the sum of its proper divisors (79290656).

90101944 is a wasteful number, since it uses less digits than its factorization.

90101944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30102 (or 30098 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 90101944 is about 9492.2043804377. The cubic root of 90101944 is about 448.3096153743.

The spelling of 90101944 in words is "ninety million, one hundred one thousand, nine hundred forty-four".