90244811 has 4 divisors (see below), whose sum is σ = 90266400. Its totient is φ = 90223224.

The previous prime is 90244783. The next prime is 90244829. The reversal of 90244811 is 11844209.

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

It is a cyclic number.

It is not a de Polignac number, because 90244811 - 2¹⁴ = 90228427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90244871) 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, 2291 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (22566600).

Almost surely, 2^90244811 is an apocalyptic number.

90244811 is a deficient number, since it is larger than the sum of its proper divisors (21589).

90244811 is a wasteful number, since it uses less digits than its factorization.

90244811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21588.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 90244811 is about 9499.7268908111. The cubic root of 90244811 is about 448.5464390749.

The spelling of 90244811 in words is "ninety million, two hundred forty-four thousand, eight hundred eleven".