298479690 has 24 divisors (see below), whose sum is σ = 776047428. Its totient is φ = 79594560.

The previous prime is 298479689. The next prime is 298479739. The reversal of 298479690 is 96974892.

It can be written as a sum of positive squares in 2 ways, for example, as 270569601 + 27910089 = 16449^2 + 5283^2 .

It is a super-2 number, since 2×298479690² = 178180250684992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1658131 + ... + 1658310.

Almost surely, 2^298479690 is an apocalyptic number.

298479690 is an abundant number, since it is smaller than the sum of its proper divisors (477567738).

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

298479690 is a wasteful number, since it uses less digits than its factorization.

298479690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316454 (or 3316451 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 298479690 is about 17276.5647627067. The cubic root of 298479690 is about 668.3002059991.

The spelling of 298479690 in words is "two hundred ninety-eight million, four hundred seventy-nine thousand, six hundred ninety".