90402301 has 4 divisors (see below), whose sum is σ = 98620704. Its totient is φ = 82183900.

The previous prime is 90402289. The next prime is 90402329. The reversal of 90402301 is 10320409.

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: 10320409 = 11 ⋅938219.

It is a cyclic number.

It is not a de Polignac number, because 90402301 - 2⁵ = 90402269 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 (90402391) 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, 4109185 + ... + 4109206.

It is an arithmetic number, because the mean of its divisors is an integer number (24655176).

Almost surely, 2^90402301 is an apocalyptic number.

It is an amenable number.

90402301 is a deficient number, since it is larger than the sum of its proper divisors (8218403).

90402301 is a wasteful number, since it uses less digits than its factorization.

90402301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218402.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 90402301 is about 9508.0124631807. The cubic root of 90402301 is about 448.8072131645.

The spelling of 90402301 in words is "ninety million, four hundred two thousand, three hundred one".