298396440 has 64 divisors (see below), whose sum is σ = 994658400. Its totient is φ = 79572096.

The previous prime is 298396433. The next prime is 298396447. The reversal of 298396440 is 44693892.

It is an interprime number because it is at equal distance from previous prime (298396433) and next prime (298396447).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298396447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137067 + ... + 139226.

Almost surely, 2^298396440 is an apocalyptic number.

298396440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298396440 is an abundant number, since it is smaller than the sum of its proper divisors (696261960).

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

298396440 is a wasteful number, since it uses less digits than its factorization.

298396440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276313 (or 276303 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 298396440 is about 17274.1552615461. The cubic root of 298396440 is about 668.2380675830.

The spelling of 298396440 in words is "two hundred ninety-eight million, three hundred ninety-six thousand, four hundred forty".