249243414 has 32 divisors (see below), whose sum is σ = 570226176. Its totient is φ = 71146560.

The previous prime is 249243413. The next prime is 249243427. The reversal of 249243414 is 414342942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249243413) 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, 60199 + ... + 64205.

It is an arithmetic number, because the mean of its divisors is an integer number (17819568).

Almost surely, 2^249243414 is an apocalyptic number.

249243414 is an abundant number, since it is smaller than the sum of its proper divisors (320982762).

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

249243414 is a wasteful number, since it uses less digits than its factorization.

249243414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its digits is 27648, while the sum is 33.

The square root of 249243414 is about 15787.4448217563. Note that the first 3 decimals coincide. The cubic root of 249243414 is about 629.3243903762.

The spelling of 249243414 in words is "two hundred forty-nine million, two hundred forty-three thousand, four hundred fourteen".