90402413 has 8 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 84806080.

The previous prime is 90402407. The next prime is 90402421. The reversal of 90402413 is 31420409.

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 90402413 - 2⁶ = 90402349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90402493) 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, 3263 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (12004200).

Almost surely, 2^90402413 is an apocalyptic number.

It is an amenable number.

90402413 is a deficient number, since it is larger than the sum of its proper divisors (5631187).

90402413 is a wasteful number, since it uses less digits than its factorization.

90402413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17427.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 90402413 is about 9508.0183529482. The cubic root of 90402413 is about 448.8073985078.

The spelling of 90402413 in words is "ninety million, four hundred two thousand, four hundred thirteen".