90395644 has 6 divisors (see below), whose sum is σ = 158192384. Its totient is φ = 45197820.

The previous prime is 90395629. The next prime is 90395651. The reversal of 90395644 is 44659309.

It is a junction number, because it is equal to n+sod(n) for n = 90395597 and 90395606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11299452 + ... + 11299459.

Almost surely, 2^90395644 is an apocalyptic number.

It is an amenable number.

90395644 is a deficient number, since it is larger than the sum of its proper divisors (67796740).

90395644 is a wasteful number, since it uses less digits than its factorization.

90395644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598915 (or 22598913 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 90395644 is about 9507.6623835725. The cubic root of 90395644 is about 448.7961965461.

The spelling of 90395644 in words is "ninety million, three hundred ninety-five thousand, six hundred forty-four".