90916738 has 24 divisors (see below), whose sum is σ = 154748160. Its totient is φ = 39989400.

The previous prime is 90916717. The next prime is 90916739. The reversal of 90916738 is 83761909.

It is a junction number, because it is equal to n+sod(n) for n = 90916694 and 90916703.

It is not an unprimeable number, because it can be changed into a prime (90916739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (6447840).

Almost surely, 2^90916738 is an apocalyptic number.

90916738 is a deficient number, since it is larger than the sum of its proper divisors (63831422).

90916738 is a wasteful number, since it uses less digits than its factorization.

90916738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174 (or 12163 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 90916738 is about 9535.0269008535. The cubic root of 90916738 is about 449.6569203959.

The spelling of 90916738 in words is "ninety million, nine hundred sixteen thousand, seven hundred thirty-eight".