298012990 has 64 divisors (see below), whose sum is σ = 611919360. Its totient is φ = 103501440.

The previous prime is 298012973. The next prime is 298012997. The reversal of 298012990 is 99210892.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298012997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328117 + ... + 329023.

It is an arithmetic number, because the mean of its divisors is an integer number (9561240).

Almost surely, 2^298012990 is an apocalyptic number.

298012990 is an abundant number, since it is smaller than the sum of its proper divisors (313906370).

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

298012990 is a wasteful number, since it uses less digits than its factorization.

298012990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 298012990 is about 17263.0527427799. The cubic root of 298012990 is about 667.9517083547.

The spelling of 298012990 in words is "two hundred ninety-eight million, twelve thousand, nine hundred ninety".