90885449 has 8 divisors (see below), whose sum is σ = 94935360. Its totient is φ = 86896656.

The previous prime is 90885427. The next prime is 90885461. The reversal of 90885449 is 94458809.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90885449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90885409) 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, 12227 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (11866920).

Almost surely, 2^90885449 is an apocalyptic number.

It is an amenable number.

90885449 is a deficient number, since it is larger than the sum of its proper divisors (4049911).

90885449 is a wasteful number, since it uses less digits than its factorization.

90885449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 90885449 is about 9533.3860196679. The cubic root of 90885449 is about 449.6053313266.

The spelling of 90885449 in words is "ninety million, eight hundred eighty-five thousand, four hundred forty-nine".