90413 has 4 divisors (see below), whose sum is σ = 94368. Its totient is φ = 86460.

The previous prime is 90407. The next prime is 90437. The reversal of 90413 is 31409.

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 90413 - 2⁴ = 90397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90391 and 90400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90403) 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, 1943 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (23592).

2⁹⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

90413 is a deficient number, since it is larger than the sum of its proper divisors (3955).

90413 is a wasteful number, since it uses less digits than its factorization.

90413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90413 is about 300.6875454687. The cubic root of 90413 is about 44.8824917725.

The spelling of 90413 in words is "ninety thousand, four hundred thirteen".