90413958 has 8 divisors (see below), whose sum is σ = 180827928. Its totient is φ = 30137984.

The previous prime is 90413933. The next prime is 90413959. The reversal of 90413958 is 85931409.

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

90413958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90413959) 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, 7534491 + ... + 7534502.

It is an arithmetic number, because the mean of its divisors is an integer number (22603491).

Almost surely, 2^90413958 is an apocalyptic number.

90413958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90413958 is a wasteful number, since it uses less digits than its factorization.

90413958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068998.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90413958 is about 9508.6254527140. The cubic root of 90413958 is about 448.8265029421.

The spelling of 90413958 in words is "ninety million, four hundred thirteen thousand, nine hundred fifty-eight".