249285472 has 24 divisors (see below), whose sum is σ = 516612600. Its totient is φ = 118082304.

The previous prime is 249285469. The next prime is 249285481. The reversal of 249285472 is 274582942.

It is a happy number.

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, 204397 + ... + 205612.

It is an arithmetic number, because the mean of its divisors is an integer number (21525525).

Almost surely, 2^249285472 is an apocalyptic number.

It is an amenable number.

249285472 is an abundant number, since it is smaller than the sum of its proper divisors (267327128).

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

249285472 is a wasteful number, since it uses less digits than its factorization.

249285472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410038 (or 410030 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 249285472 is about 15788.7767733919. The cubic root of 249285472 is about 629.3597863454.

The spelling of 249285472 in words is "two hundred forty-nine million, two hundred eighty-five thousand, four hundred seventy-two".