298040556 has 24 divisors (see below), whose sum is σ = 758649024. Its totient is φ = 90315280.

The previous prime is 298040543. The next prime is 298040563. The reversal of 298040556 is 655040892.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128810 + ... + 1129073.

It is an arithmetic number, because the mean of its divisors is an integer number (31610376).

Almost surely, 2^298040556 is an apocalyptic number.

It is an amenable number.

298040556 is an abundant number, since it is smaller than the sum of its proper divisors (460608468).

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

298040556 is a wasteful number, since it uses less digits than its factorization.

298040556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257901 (or 2257899 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 298040556 is about 17263.8511346686. The cubic root of 298040556 is about 667.9723027468.

It can be divided in two parts, 2980405 and 56, that added together give a triangular number (2980461 = T₂₄₄₁).

The spelling of 298040556 in words is "two hundred ninety-eight million, forty thousand, five hundred fifty-six".