90040301 has 4 divisors (see below), whose sum is σ = 96966492. Its totient is φ = 83114112.

The previous prime is 90040289. The next prime is 90040319. The reversal of 90040301 is 10304009.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15217801 + 74822500 = 3901^2 + 8650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90040301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90040301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90000301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463076 + ... + 3463101.

It is an arithmetic number, because the mean of its divisors is an integer number (24241623).

Almost surely, 2^90040301 is an apocalyptic number.

It is an amenable number.

90040301 is a deficient number, since it is larger than the sum of its proper divisors (6926191).

90040301 is a wasteful number, since it uses less digits than its factorization.

90040301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926190.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90040301 is about 9488.9567919767. The cubic root of 90040301 is about 448.2073554490.

The spelling of 90040301 in words is "ninety million, forty thousand, three hundred one".