90401116 has 36 divisors (see below), whose sum is σ = 174294568. Its totient is φ = 40783968.

The previous prime is 90401089. The next prime is 90401119. The reversal of 90401116 is 61110409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90401119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114475 + ... + 115261.

Almost surely, 2^90401116 is an apocalyptic number.

It is an amenable number.

90401116 is a deficient number, since it is larger than the sum of its proper divisors (83893452).

90401116 is a wasteful number, since it uses less digits than its factorization.

90401116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 90401116 is about 9507.9501471137. The cubic root of 90401116 is about 448.8052521566.

The spelling of 90401116 in words is "ninety million, four hundred one thousand, one hundred sixteen".