90479141 has 4 divisors (see below), whose sum is σ = 90502272. Its totient is φ = 90456012.

The previous prime is 90479119. The next prime is 90479143. The reversal of 90479141 is 14197409.

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 90479141 - 2²² = 86284837 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 (90479143) 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, 4085 + ... + 14058.

It is an arithmetic number, because the mean of its divisors is an integer number (22625568).

Almost surely, 2^90479141 is an apocalyptic number.

It is an amenable number.

90479141 is a deficient number, since it is larger than the sum of its proper divisors (23131).

90479141 is a wasteful number, since it uses less digits than its factorization.

90479141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 90479141 is about 9512.0524073409. The cubic root of 90479141 is about 448.9343359612.

The spelling of 90479141 in words is "ninety million, four hundred seventy-nine thousand, one hundred forty-one".