90249004 has 12 divisors (see below), whose sum is σ = 158052384. Its totient is φ = 45091184.

The previous prime is 90249001. The next prime is 90249007. The reversal of 90249004 is 40094209.

It is an interprime number because it is at equal distance from previous prime (90249001) and next prime (90249007).

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 3 ways as a sum of consecutive naturals, for example, 1639 + ... + 13534.

It is an arithmetic number, because the mean of its divisors is an integer number (13171032).

Almost surely, 2^90249004 is an apocalyptic number.

It is an amenable number.

90249004 is a deficient number, since it is larger than the sum of its proper divisors (67803380).

90249004 is a wasteful number, since it uses less digits than its factorization.

90249004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664 (or 16662 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90249004 is about 9499.9475788027. The cubic root of 90249004 is about 448.5533858311.

The spelling of 90249004 in words is "ninety million, two hundred forty-nine thousand, four".