298934638387 has 32 divisors (see below), whose sum is σ = 383039737344. Its totient is φ = 226481184000.

The previous prime is 298934638363. The next prime is 298934638397. The reversal of 298934638387 is 783836439892.

It is a cyclic number.

It is not a de Polignac number, because 298934638387 - 2⁷ = 298934638259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (298934638397) 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, 4097743 + ... + 4170055.

It is an arithmetic number, because the mean of its divisors is an integer number (11969991792).

Almost surely, 2^298934638387 is an apocalyptic number.

298934638387 is a deficient number, since it is larger than the sum of its proper divisors (84105098957).

298934638387 is a wasteful number, since it uses less digits than its factorization.

298934638387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73819.

The product of its digits is 376233984, while the sum is 70.

The spelling of 298934638387 in words is "two hundred ninety-eight billion, nine hundred thirty-four million, six hundred thirty-eight thousand, three hundred eighty-seven".