90696061 has 4 divisors (see below), whose sum is σ = 94639392. Its totient is φ = 86752732.

The previous prime is 90696043. The next prime is 90696077. The reversal of 90696061 is 16069609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90696061 - 2⁷ = 90695933 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 90696061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90696031) 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, 1971631 + ... + 1971676.

It is an arithmetic number, because the mean of its divisors is an integer number (23659848).

Almost surely, 2^90696061 is an apocalyptic number.

It is an amenable number.

90696061 is a deficient number, since it is larger than the sum of its proper divisors (3943331).

90696061 is a wasteful number, since it uses less digits than its factorization.

90696061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943330.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 90696061 is about 9523.4479575414. The cubic root of 90696061 is about 449.2928168029.

The spelling of 90696061 in words is "ninety million, six hundred ninety-six thousand, sixty-one".