90889948 has 12 divisors (see below), whose sum is σ = 162937152. Its totient is φ = 44336480.

The previous prime is 90889943. The next prime is 90889949. The reversal of 90889948 is 84998809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90889943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276940 + ... + 277267.

It is an arithmetic number, because the mean of its divisors is an integer number (13578096).

Almost surely, 2^90889948 is an apocalyptic number.

It is an amenable number.

90889948 is a deficient number, since it is larger than the sum of its proper divisors (72047204).

90889948 is a wasteful number, since it uses less digits than its factorization.

90889948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554252 (or 554250 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 90889948 is about 9533.6219769823. The cubic root of 90889948 is about 449.6127499730.

The spelling of 90889948 in words is "ninety million, eight hundred eighty-nine thousand, nine hundred forty-eight".