298230740 has 24 divisors (see below), whose sum is σ = 627910920. Its totient is φ = 118982528.

The previous prime is 298230733. The next prime is 298230749. The reversal of 298230740 is 47032892.

It can be written as a sum of positive squares in 4 ways, for example, as 21939856 + 276290884 = 4684^2 + 16622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 298230740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298230749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11387 + ... + 26946.

It is an arithmetic number, because the mean of its divisors is an integer number (26162955).

Almost surely, 2^298230740 is an apocalyptic number.

298230740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298230740 is an abundant number, since it is smaller than the sum of its proper divisors (329680180).

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

298230740 is a wasteful number, since it uses less digits than its factorization.

298230740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38731 (or 38729 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 298230740 is about 17269.3584130969. The cubic root of 298230740 is about 668.1143534733.

The spelling of 298230740 in words is "two hundred ninety-eight million, two hundred thirty thousand, seven hundred forty".