90902413 has 8 divisors (see below), whose sum is σ = 104128640. Its totient is φ = 77736240.

The previous prime is 90902381. The next prime is 90902423. The reversal of 90902413 is 31420909.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90902413 - 2⁵ = 90902381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90902423) 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, 11718 + ... + 17863.

It is an arithmetic number, because the mean of its divisors is an integer number (13016080).

Almost surely, 2^90902413 is an apocalyptic number.

It is an amenable number.

90902413 is a deficient number, since it is larger than the sum of its proper divisors (13226227).

90902413 is a wasteful number, since it uses less digits than its factorization.

90902413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30027.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 90902413 is about 9534.2756935176. The cubic root of 90902413 is about 449.6333029122.

The spelling of 90902413 in words is "ninety million, nine hundred two thousand, four hundred thirteen".