90391701 has 8 divisors (see below), whose sum is σ = 120846880. Its totient is φ = 60098832.

The previous prime is 90391699. The next prime is 90391709. The reversal of 90391701 is 10719309.

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

It is not a de Polignac number, because 90391701 - 2¹ = 90391699 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90391709) 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, 39271 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (15105860).

Almost surely, 2^90391701 is an apocalyptic number.

It is an amenable number.

90391701 is a deficient number, since it is larger than the sum of its proper divisors (30455179).

90391701 is a wasteful number, since it uses less digits than its factorization.

90391701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81155.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 90391701 is about 9507.4550222444. The cubic root of 90391701 is about 448.7896710505.

The spelling of 90391701 in words is "ninety million, three hundred ninety-one thousand, seven hundred one".