298437540 has 24 divisors (see below), whose sum is σ = 835625280. Its totient is φ = 79583328.

The previous prime is 298437509. The next prime is 298437551. The reversal of 298437540 is 45734892.

It is a junction number, because it is equal to n+sod(n) for n = 298437492 and 298437501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486920 + ... + 2487039.

It is an arithmetic number, because the mean of its divisors is an integer number (34817720).

Almost surely, 2^298437540 is an apocalyptic number.

298437540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298437540 is an abundant number, since it is smaller than the sum of its proper divisors (537187740).

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

298437540 is a wasteful number, since it uses less digits than its factorization.

298437540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973971 (or 4973969 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 298437540 is about 17275.3448590759. The cubic root of 298437540 is about 668.2687463714.

The spelling of 298437540 in words is "two hundred ninety-eight million, four hundred thirty-seven thousand, five hundred forty".