298822392 has 128 divisors (see below), whose sum is σ = 934963200. Its totient is φ = 87609600.

The previous prime is 298822373. The next prime is 298822399. The reversal of 298822392 is 293228892.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298822399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71628 + ... + 75684.

It is an arithmetic number, because the mean of its divisors is an integer number (7304400).

Almost surely, 2^298822392 is an apocalyptic number.

298822392 is a gapful number since it is divisible by the number (22) 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 298822392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467481600).

298822392 is an abundant number, since it is smaller than the sum of its proper divisors (636140808).

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

298822392 is a wasteful number, since it uses less digits than its factorization.

298822392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114 (or 4104 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 298822392 is about 17286.4800349869. The cubic root of 298822392 is about 668.5558796985. Note that the first 3 decimals are identical.

The spelling of 298822392 in words is "two hundred ninety-eight million, eight hundred twenty-two thousand, three hundred ninety-two".