90784996 has 12 divisors (see below), whose sum is σ = 159377148. Its totient is φ = 45248672.

The previous prime is 90784987. The next prime is 90784999. The reversal of 90784996 is 69948709.

It can be written as a sum of positive squares in 2 ways, for example, as 46376100 + 44408896 = 6810^2 + 6664^2 .

It is not an unprimeable number, because it can be changed into a prime (90784999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34531 + ... + 37066.

It is an arithmetic number, because the mean of its divisors is an integer number (13281429).

Almost surely, 2^90784996 is an apocalyptic number.

It is an amenable number.

90784996 is a deficient number, since it is larger than the sum of its proper divisors (68592152).

90784996 is a wasteful number, since it uses less digits than its factorization.

90784996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71918 (or 71916 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 90784996 is about 9528.1160782182. The cubic root of 90784996 is about 449.4396251011.

The spelling of 90784996 in words is "ninety million, seven hundred eighty-four thousand, nine hundred ninety-six".