249982693 has 16 divisors (see below), whose sum is σ = 266530176. Its totient is φ = 234118080.

The previous prime is 249982669. The next prime is 249982703. The reversal of 249982693 is 396289942.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 249982693 - 2²¹ = 247885541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249982693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249980693) 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, 111855 + ... + 114067.

It is an arithmetic number, because the mean of its divisors is an integer number (16658136).

Almost surely, 2^249982693 is an apocalyptic number.

It is an amenable number.

249982693 is a deficient number, since it is larger than the sum of its proper divisors (16547483).

249982693 is a wasteful number, since it uses less digits than its factorization.

249982693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its digits is 1679616, while the sum is 52.

The square root of 249982693 is about 15810.8409959749. The cubic root of 249982693 is about 629.9459876429.

The spelling of 249982693 in words is "two hundred forty-nine million, nine hundred eighty-two thousand, six hundred ninety-three".