249892 has 6 divisors (see below), whose sum is σ = 437318. Its totient is φ = 124944.

The previous prime is 249881. The next prime is 249911. The reversal of 249892 is 298942.

It can be written as a sum of positive squares in only one way, i.e., 215296 + 34596 = 464^2 + 186^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31233 + ... + 31240.

2²⁴⁹⁸⁹² is an apocalyptic number.

It is an amenable number.

249892 is a deficient number, since it is larger than the sum of its proper divisors (187426).

249892 is a wasteful number, since it uses less digits than its factorization.

249892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62477 (or 62475 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 249892 is about 499.8919883335. The cubic root of 249892 is about 62.9869797566.

It can be divided in two parts, 2 and 49892, that added together give a palindrome (49894).

The spelling of 249892 in words is "two hundred forty-nine thousand, eight hundred ninety-two".