90473311 has 8 divisors (see below), whose sum is σ = 91338624. Its totient is φ = 89611800.

The previous prime is 90473297. The next prime is 90473323. The reversal of 90473311 is 11337409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90473311 - 2⁹ = 90472799 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 90473311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90773311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69876 + ... + 71158.

It is an arithmetic number, because the mean of its divisors is an integer number (11417328).

Almost surely, 2^90473311 is an apocalyptic number.

90473311 is a deficient number, since it is larger than the sum of its proper divisors (865313).

90473311 is a wasteful number, since it uses less digits than its factorization.

90473311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 90473311 is about 9511.7459490884. The cubic root of 90473311 is about 448.9246934316.

The spelling of 90473311 in words is "ninety million, four hundred seventy-three thousand, three hundred eleven".