90060401 has 4 divisors (see below), whose sum is σ = 90081600. Its totient is φ = 90039204.

The previous prime is 90060391. The next prime is 90060427. The reversal of 90060401 is 10406009.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10406009 = 619 ⋅16811.

It is a cyclic number.

It is not a de Polignac number, because 90060401 - 2¹⁸ = 89798257 is a prime.

It is a super-2 number, since 2×90060401² = 16221751656561602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90060431) 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, 1781 + ... + 13538.

It is an arithmetic number, because the mean of its divisors is an integer number (22520400).

Almost surely, 2^90060401 is an apocalyptic number.

It is an amenable number.

90060401 is a deficient number, since it is larger than the sum of its proper divisors (21199).

90060401 is a wasteful number, since it uses less digits than its factorization.

90060401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21198.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 90060401 is about 9490.0158587855. The cubic root of 90060401 is about 448.2407045806.

The spelling of 90060401 in words is "ninety million, sixty thousand, four hundred one".