90298785 has 8 divisors (see below), whose sum is σ = 144478080. Its totient is φ = 48159344.

The previous prime is 90298751. The next prime is 90298787. The reversal of 90298785 is 58789209.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90298785 - 2⁷ = 90298657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90298787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009945 + ... + 3009974.

It is an arithmetic number, because the mean of its divisors is an integer number (18059760).

Almost surely, 2^90298785 is an apocalyptic number.

It is an amenable number.

90298785 is a deficient number, since it is larger than the sum of its proper divisors (54179295).

90298785 is a wasteful number, since it uses less digits than its factorization.

90298785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019927.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 90298785 is about 9502.5672846868. The cubic root of 90298785 is about 448.6358441067.

The spelling of 90298785 in words is "ninety million, two hundred ninety-eight thousand, seven hundred eighty-five".