90242060 has 12 divisors (see below), whose sum is σ = 189508368. Its totient is φ = 36096816.

The previous prime is 90242059. The next prime is 90242063. The reversal of 90242060 is 6024209.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90242063) 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, 2256032 + ... + 2256071.

It is an arithmetic number, because the mean of its divisors is an integer number (15792364).

Almost surely, 2^90242060 is an apocalyptic number.

It is an amenable number.

90242060 is an abundant number, since it is smaller than the sum of its proper divisors (99266308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90242060 is a wasteful number, since it uses less digits than its factorization.

90242060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512112 (or 4512110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 90242060 is about 9499.5820960714. The cubic root of 90242060 is about 448.5418812365.

Adding to 90242060 its reverse (6024209), we get a palindrome (96266269).

The spelling of 90242060 in words is "ninety million, two hundred forty-two thousand, sixty".