90849828 has 12 divisors (see below), whose sum is σ = 211982960. Its totient is φ = 30283272.

The previous prime is 90849827. The next prime is 90849851. The reversal of 90849828 is 82894809.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (90849821) 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, 3785398 + ... + 3785421.

Almost surely, 2^90849828 is an apocalyptic number.

It is an amenable number.

90849828 is an abundant number, since it is smaller than the sum of its proper divisors (121133132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90849828 is a wasteful number, since it uses less digits than its factorization.

90849828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570826 (or 7570824 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 90849828 is about 9531.5176126365. The cubic root of 90849828 is about 449.5465852734.

The spelling of 90849828 in words is "ninety million, eight hundred forty-nine thousand, eight hundred twenty-eight".