298729449 has 12 divisors (see below), whose sum is σ = 438812400. Its totient is φ = 195777144.

The previous prime is 298729411. The next prime is 298729463. The reversal of 298729449 is 944927892.

It is not a de Polignac number, because 298729449 - 2²⁴ = 281952233 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 298729395 and 298729404.

It is not an unprimeable number, because it can be changed into a prime (298729549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280759 + ... + 281820.

It is an arithmetic number, because the mean of its divisors is an integer number (36567700).

Almost surely, 2^298729449 is an apocalyptic number.

It is an amenable number.

298729449 is a deficient number, since it is larger than the sum of its proper divisors (140082951).

298729449 is a wasteful number, since it uses less digits than its factorization.

298729449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562644 (or 562641 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 298729449 is about 17283.7915111239. The cubic root of 298729449 is about 668.4865586635.

The spelling of 298729449 in words is "two hundred ninety-eight million, seven hundred twenty-nine thousand, four hundred forty-nine".