298484781 has 16 divisors (see below), whose sum is σ = 461242368. Its totient is φ = 168159600.

The previous prime is 298484743. The next prime is 298484807. The reversal of 298484781 is 187484892.

It is not a de Polignac number, because 298484781 - 2¹⁸ = 298222637 is a prime.

It is a super-2 number, since 2×298484781² = 178186328977235922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298484701) 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, 98605 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (28827648).

Almost surely, 2^298484781 is an apocalyptic number.

298484781 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

298484781 is a deficient number, since it is larger than the sum of its proper divisors (162757587).

298484781 is a wasteful number, since it uses less digits than its factorization.

298484781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200272.

The product of its digits is 1032192, while the sum is 51.

The square root of 298484781 is about 17276.7121003969. The cubic root of 298484781 is about 668.3040055842.

The spelling of 298484781 in words is "two hundred ninety-eight million, four hundred eighty-four thousand, seven hundred eighty-one".