90493944 has 32 divisors (see below), whose sum is σ = 226800000. Its totient is φ = 30089312.

The previous prime is 90493943. The next prime is 90493951. The reversal of 90493944 is 44939409.

It is a junction number, because it is equal to n+sod(n) for n = 90493896 and 90493905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90493943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5557 + ... + 14555.

It is an arithmetic number, because the mean of its divisors is an integer number (7087500).

Almost surely, 2^90493944 is an apocalyptic number.

It is an amenable number.

90493944 is an abundant number, since it is smaller than the sum of its proper divisors (136306056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90493944 is a wasteful number, since it uses less digits than its factorization.

90493944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 90493944 is about 9512.8304936018. The cubic root of 90493944 is about 448.9588175250.

The spelling of 90493944 in words is "ninety million, four hundred ninety-three thousand, nine hundred forty-four".