90964911 has 4 divisors (see below), whose sum is σ = 121286552. Its totient is φ = 60643272.

The previous prime is 90964903. The next prime is 90964919. The reversal of 90964911 is 11946909.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (90964903) and next prime (90964919).

It is not a de Polignac number, because 90964911 - 2³ = 90964903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90964911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90964919) 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, 15160816 + ... + 15160821.

It is an arithmetic number, because the mean of its divisors is an integer number (30321638).

Almost surely, 2^90964911 is an apocalyptic number.

90964911 is a deficient number, since it is larger than the sum of its proper divisors (30321641).

90964911 is a wasteful number, since it uses less digits than its factorization.

90964911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30321640.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 90964911 is about 9537.5526735112. The cubic root of 90964911 is about 449.7363245431.

The spelling of 90964911 in words is "ninety million, nine hundred sixty-four thousand, nine hundred eleven".