298940636 has 12 divisors (see below), whose sum is σ = 524852328. Its totient is φ = 148982832.

The previous prime is 298940627. The next prime is 298940639. The reversal of 298940636 is 636049892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298940639) 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, 120491 + ... + 122946.

It is an arithmetic number, because the mean of its divisors is an integer number (43737694).

Almost surely, 2^298940636 is an apocalyptic number.

It is an amenable number.

298940636 is a deficient number, since it is larger than the sum of its proper divisors (225911692).

298940636 is a wasteful number, since it uses less digits than its factorization.

298940636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243748 (or 243746 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 298940636 is about 17289.8998261991. The cubic root of 298940636 is about 668.6440505750.

The spelling of 298940636 in words is "two hundred ninety-eight million, nine hundred forty thousand, six hundred thirty-six".