298979939 has 2 divisors, whose sum is σ = 298979940. Its totient is φ = 298979938.

The previous prime is 298979927. The next prime is 298979951. The reversal of 298979939 is 939979892.

It is a balanced prime because it is at equal distance from previous prime (298979927) and next prime (298979951).

It is a cyclic number.

It is not a de Polignac number, because 298979939 - 2¹² = 298975843 is a prime.

It is not a weakly prime, because it can be changed into another prime (298979909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149489969 + 149489970.

It is an arithmetic number, because the mean of its divisors is an integer number (149489970).

Almost surely, 2^298979939 is an apocalyptic number.

298979939 is a deficient number, since it is larger than the sum of its proper divisors (1).

298979939 is an equidigital number, since it uses as much as digits as its factorization.

298979939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19840464, while the sum is 65.

The square root of 298979939 is about 17291.0363772678. The cubic root of 298979939 is about 668.6733524523.

It can be divided in two parts, 2989 and 79939, that added together give a palindrome (82928).

The spelling of 298979939 in words is "two hundred ninety-eight million, nine hundred seventy-nine thousand, nine hundred thirty-nine".