249017394 has 16 divisors (see below), whose sum is σ = 527331168. Its totient is φ = 78123072.

The previous prime is 249017387. The next prime is 249017399. The reversal of 249017394 is 493710942.

It is not an unprimeable number, because it can be changed into a prime (249017399) 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, 1220572 + ... + 1220775.

It is an arithmetic number, because the mean of its divisors is an integer number (32958198).

Almost surely, 2^249017394 is an apocalyptic number.

249017394 is an abundant number, since it is smaller than the sum of its proper divisors (278313774).

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

249017394 is a wasteful number, since it uses less digits than its factorization.

249017394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441369.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 249017394 is about 15780.2849784153. The cubic root of 249017394 is about 629.1341039495.

The spelling of 249017394 in words is "two hundred forty-nine million, seventeen thousand, three hundred ninety-four".