90648242 has 16 divisors (see below), whose sum is σ = 139898880. Its totient is φ = 44029728.

The previous prime is 90648227. The next prime is 90648251. The reversal of 90648242 is 24284609.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9359 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (8743680).

Almost surely, 2^90648242 is an apocalyptic number.

90648242 is a deficient number, since it is larger than the sum of its proper divisors (49250638).

90648242 is a wasteful number, since it uses less digits than its factorization.

90648242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 90648242 is about 9520.9370337168. The cubic root of 90648242 is about 449.2138405314.

The spelling of 90648242 in words is "ninety million, six hundred forty-eight thousand, two hundred forty-two".