90048489 has 8 divisors (see below), whose sum is σ = 120109152. Its totient is φ = 60010080.

The previous prime is 90048479. The next prime is 90048499. The reversal of 90048489 is 98484009.

It is an interprime number because it is at equal distance from previous prime (90048479) and next prime (90048499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90048489 - 2¹¹ = 90046441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90048489.

It is not an unprimeable number, because it can be changed into a prime (90048479) 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, 10549 + ... + 17069.

It is an arithmetic number, because the mean of its divisors is an integer number (15013644).

Almost surely, 2^90048489 is an apocalyptic number.

It is an amenable number.

90048489 is a deficient number, since it is larger than the sum of its proper divisors (30060663).

90048489 is a wasteful number, since it uses less digits than its factorization.

90048489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11127.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 90048489 is about 9489.3882310716. The cubic root of 90048489 is about 448.2209412564.

The spelling of 90048489 in words is "ninety million, forty-eight thousand, four hundred eighty-nine".