90413601 has 16 divisors (see below), whose sum is σ = 124571520. Its totient is φ = 58298240.

The previous prime is 90413597. The next prime is 90413611. The reversal of 90413601 is 10631409.

It is a cyclic number.

It is not a de Polignac number, because 90413601 - 2² = 90413597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90413611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7285 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (7785720).

Almost surely, 2^90413601 is an apocalyptic number.

It is an amenable number.

90413601 is a deficient number, since it is larger than the sum of its proper divisors (34157919).

90413601 is a wasteful number, since it uses less digits than its factorization.

90413601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90413601 is about 9508.6066802660. The cubic root of 90413601 is about 448.8259122100.

The spelling of 90413601 in words is "ninety million, four hundred thirteen thousand, six hundred one".