90965901 has 16 divisors (see below), whose sum is σ = 137493440. Its totient is φ = 53032320.

The previous prime is 90965887. The next prime is 90965923. The reversal of 90965901 is 10956909.

It is not a de Polignac number, because 90965901 - 2⁷ = 90965773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90965901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90965951) 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 15 ways as a sum of consecutive naturals, for example, 60640 + ... + 62121.

It is an arithmetic number, because the mean of its divisors is an integer number (8593340).

Almost surely, 2^90965901 is an apocalyptic number.

It is an amenable number.

90965901 is a deficient number, since it is larger than the sum of its proper divisors (46527539).

90965901 is a wasteful number, since it uses less digits than its factorization.

90965901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122796.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 90965901 is about 9537.6045734765. The cubic root of 90965901 is about 449.7379560782.

The spelling of 90965901 in words is "ninety million, nine hundred sixty-five thousand, nine hundred one".