90964945 has 8 divisors (see below), whose sum is σ = 110540160. Its totient is φ = 71850480.

The previous prime is 90964919. The next prime is 90964949. The reversal of 90964945 is 54946909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90964945 - 2⁷ = 90964817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90964895 and 90964904.

It is not an unprimeable number, because it can be changed into a prime (90964949) 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, 114751 + ... + 115540.

It is an arithmetic number, because the mean of its divisors is an integer number (13817520).

Almost surely, 2^90964945 is an apocalyptic number.

It is an amenable number.

90964945 is a deficient number, since it is larger than the sum of its proper divisors (19575215).

90964945 is a wasteful number, since it uses less digits than its factorization.

90964945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230375.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 90964945 is about 9537.5544559389. The cubic root of 90964945 is about 449.7363805758.

It can be divided in two parts, 9096 and 4945, that added together give a palindrome (14041).

The spelling of 90964945 in words is "ninety million, nine hundred sixty-four thousand, nine hundred forty-five".