90111794 has 16 divisors (see below), whose sum is σ = 142565280. Its totient is φ = 42599520.

The previous prime is 90111793. The next prime is 90111797. The reversal of 90111794 is 49711109.

It is a happy number.

It is a super-3 number, since 3×90111794³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90111794.

It is not an unprimeable number, because it can be changed into a prime (90111793) 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, 19622 + ... + 23774.

It is an arithmetic number, because the mean of its divisors is an integer number (8910330).

Almost surely, 2^90111794 is an apocalyptic number.

90111794 is a deficient number, since it is larger than the sum of its proper divisors (52453486).

90111794 is a wasteful number, since it uses less digits than its factorization.

90111794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 90111794 is about 9492.7232130722. The cubic root of 90111794 is about 448.3259512734.

The spelling of 90111794 in words is "ninety million, one hundred eleven thousand, seven hundred ninety-four".