249879411 has 10 divisors (see below), whose sum is σ = 373276772. Its totient is φ = 166586220.

The previous prime is 249879397. The next prime is 249879433. The reversal of 249879411 is 114978942.

It is a happy number.

It is not a de Polignac number, because 249879411 - 2¹⁴ = 249863027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249879491) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1542385 + ... + 1542546.

Almost surely, 2^249879411 is an apocalyptic number.

249879411 is a deficient number, since it is larger than the sum of its proper divisors (123397361).

249879411 is an equidigital number, since it uses as much as digits as its factorization.

249879411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084943 (or 3084934 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 249879411 is about 15807.5744818742. The cubic root of 249879411 is about 629.8592202444.

The spelling of 249879411 in words is "two hundred forty-nine million, eight hundred seventy-nine thousand, four hundred eleven".