249299480 has 16 divisors (see below), whose sum is σ = 560923920. Its totient is φ = 99719776.

The previous prime is 249299473. The next prime is 249299483. The reversal of 249299480 is 84992942.

249299480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249299483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116204 + ... + 3116283.

It is an arithmetic number, because the mean of its divisors is an integer number (35057745).

Almost surely, 2^249299480 is an apocalyptic number.

249299480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249299480 is an abundant number, since it is smaller than the sum of its proper divisors (311624440).

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

249299480 is a wasteful number, since it uses less digits than its factorization.

249299480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232498 (or 6232494 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 249299480 is about 15789.2203734067. The cubic root of 249299480 is about 629.3715745798.

The spelling of 249299480 in words is "two hundred forty-nine million, two hundred ninety-nine thousand, four hundred eighty".