90479441 has 4 divisors (see below), whose sum is σ = 97439412. Its totient is φ = 83519472.

The previous prime is 90479429. The next prime is 90479453. The reversal of 90479441 is 14497409.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (90479429) and next prime (90479453).

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 73702225 = 4096^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 90479441 - 2⁶ = 90479377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90479395 and 90479404.

It is not an unprimeable number, because it can be changed into a prime (90479461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479966 + ... + 3479991.

It is an arithmetic number, because the mean of its divisors is an integer number (24359853).

Almost surely, 2^90479441 is an apocalyptic number.

It is an amenable number.

90479441 is a deficient number, since it is larger than the sum of its proper divisors (6959971).

90479441 is a wasteful number, since it uses less digits than its factorization.

90479441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959970.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 90479441 is about 9512.0681767952. The cubic root of 90479441 is about 448.9348321350.

The spelling of 90479441 in words is "ninety million, four hundred seventy-nine thousand, four hundred forty-one".