249689482 has 8 divisors (see below), whose sum is σ = 428039136. Its totient is φ = 107009772.

The previous prime is 249689477. The next prime is 249689483. The reversal of 249689482 is 284986942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (249689483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8917468 + ... + 8917495.

It is an arithmetic number, because the mean of its divisors is an integer number (53504892).

Almost surely, 2^249689482 is an apocalyptic number.

249689482 is a deficient number, since it is larger than the sum of its proper divisors (178349654).

249689482 is a wasteful number, since it uses less digits than its factorization.

249689482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834972.

The product of its digits is 1990656, while the sum is 52.

The square root of 249689482 is about 15801.5658084887. The cubic root of 249689482 is about 629.6995981112.

The spelling of 249689482 in words is "two hundred forty-nine million, six hundred eighty-nine thousand, four hundred eighty-two".