249456 has 20 divisors (see below), whose sum is σ = 644552. Its totient is φ = 83136.

The previous prime is 249449. The next prime is 249463. The reversal of 249456 is 654942.

It is an interprime number because it is at equal distance from previous prime (249449) and next prime (249463).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551 + ... + 2646.

2²⁴⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

249456 is an abundant number, since it is smaller than the sum of its proper divisors (395096).

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

249456 is a wasteful number, since it uses less digits than its factorization.

249456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208 (or 5202 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 249456 is about 499.4557037416. The cubic root of 249456 is about 62.9503261751.

The spelling of 249456 in words is "two hundred forty-nine thousand, four hundred fifty-six".