90662913 has 48 divisors (see below), whose sum is σ = 149812416. Its totient is φ = 52341120.

The previous prime is 90662911. The next prime is 90662917. The reversal of 90662913 is 31926609.

It is not a de Polignac number, because 90662913 - 2¹ = 90662911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90662911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193906 + ... + 194372.

It is an arithmetic number, because the mean of its divisors is an integer number (3121092).

Almost surely, 2^90662913 is an apocalyptic number.

It is an amenable number.

90662913 is a deficient number, since it is larger than the sum of its proper divisors (59149503).

90662913 is a wasteful number, since it uses less digits than its factorization.

90662913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 90662913 is about 9521.7074624250. The cubic root of 90662913 is about 449.2380736204.

The spelling of 90662913 in words is "ninety million, six hundred sixty-two thousand, nine hundred thirteen".