90249002 has 16 divisors (see below), whose sum is σ = 139471200. Its totient is φ = 43773072.

The previous prime is 90249001. The next prime is 90249007. The reversal of 90249002 is 20094209.

It is not an unprimeable number, because it can be changed into a prime (90249001) 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, 9293 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (8716950).

Almost surely, 2^90249002 is an apocalyptic number.

90249002 is a deficient number, since it is larger than the sum of its proper divisors (49222198).

90249002 is a wasteful number, since it uses less digits than its factorization.

90249002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90249002 is about 9499.9474735390. The cubic root of 90249002 is about 448.5533825176.

The spelling of 90249002 in words is "ninety million, two hundred forty-nine thousand, two".