298690038 has 32 divisors (see below), whose sum is σ = 674644320. Its totient is φ = 97930080.

The previous prime is 298689913. The next prime is 298690039. The reversal of 298690038 is 830096892.

It is a junction number, because it is equal to n+sod(n) for n = 298689975 and 298690002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298690039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42045 + ... + 48632.

It is an arithmetic number, because the mean of its divisors is an integer number (21082635).

Almost surely, 2^298690038 is an apocalyptic number.

298690038 is an abundant number, since it is smaller than the sum of its proper divisors (375954282).

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

298690038 is a wasteful number, since it uses less digits than its factorization.

298690038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90749 (or 90743 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 298690038 is about 17282.6513590942. The cubic root of 298690038 is about 668.4571598407.

The spelling of 298690038 in words is "two hundred ninety-eight million, six hundred ninety thousand, thirty-eight".