298972620 has 144 divisors (see below), whose sum is σ = 948100608. Its totient is φ = 79081920.

The previous prime is 298972613. The next prime is 298972621. The reversal of 298972620 is 26279892.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (298972621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103085 + ... + 1103355.

It is an arithmetic number, because the mean of its divisors is an integer number (6584032).

Almost surely, 2^298972620 is an apocalyptic number.

298972620 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 298972620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474050304).

298972620 is an abundant number, since it is smaller than the sum of its proper divisors (649127988).

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

298972620 is a wasteful number, since it uses less digits than its factorization.

298972620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 298972620 is about 17290.8247345232. The cubic root of 298972620 is about 668.6678960548.

The spelling of 298972620 in words is "two hundred ninety-eight million, nine hundred seventy-two thousand, six hundred twenty".