298790856 has 224 divisors, whose sum is σ = 1035639360. Its totient is φ = 78662016.

The previous prime is 298790851. The next prime is 298790867. The reversal of 298790856 is 658097892.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298790851) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 530431 + ... + 530993.

It is an arithmetic number, because the mean of its divisors is an integer number (4623390).

Almost surely, 2^298790856 is an apocalyptic number.

298790856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298790856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517819680).

298790856 is an abundant number, since it is smaller than the sum of its proper divisors (736848504).

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

298790856 is a wasteful number, since it uses less digits than its factorization.

298790856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 298790856 is about 17285.5678529807. The cubic root of 298790856 is about 668.5323603544.

The spelling of 298790856 in words is "two hundred ninety-eight million, seven hundred ninety thousand, eight hundred fifty-six".