90390095 has 4 divisors (see below), whose sum is σ = 108468120. Its totient is φ = 72312072.

The previous prime is 90390077. The next prime is 90390121. The reversal of 90390095 is 59009309.

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

It is a cyclic number.

It is not a de Polignac number, because 90390095 - 2¹⁰ = 90389071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9039005 + ... + 9039014.

It is an arithmetic number, because the mean of its divisors is an integer number (27117030).

Almost surely, 2^90390095 is an apocalyptic number.

90390095 is a deficient number, since it is larger than the sum of its proper divisors (18078025).

90390095 is a wasteful number, since it uses less digits than its factorization.

90390095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078024.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 90390095 is about 9507.3705618325. The cubic root of 90390095 is about 448.7870131351.

The spelling of 90390095 in words is "ninety million, three hundred ninety thousand, ninety-five".