298575420 has 384 divisors, whose sum is σ = 1097349120. Its totient is φ = 59473920.

The previous prime is 298575391. The next prime is 298575449. The reversal of 298575420 is 24575892.

It is an interprime number because it is at equal distance from previous prime (298575391) and next prime (298575449).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3354736 + ... + 3354824.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^298575420 is an apocalyptic number.

298575420 is a gapful number since it is divisible by the number (20) 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 298575420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548674560).

298575420 is an abundant number, since it is smaller than the sum of its proper divisors (798773700).

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

298575420 is a wasteful number, since it uses less digits than its factorization.

298575420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 298575420 is about 17279.3350566508. The cubic root of 298575420 is about 668.3716452990.

The spelling of 298575420 in words is "two hundred ninety-eight million, five hundred seventy-five thousand, four hundred twenty".