249845434 has 8 divisors (see below), whose sum is σ = 376377300. Its totient is φ = 124386336.

The previous prime is 249845419. The next prime is 249845483. The reversal of 249845434 is 434548942.

It can be written as a sum of positive squares in 2 ways, for example, as 243828225 + 6017209 = 15615^2 + 2453^2 .

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

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, 267609 + ... + 268540.

Almost surely, 2^249845434 is an apocalyptic number.

249845434 is a deficient number, since it is larger than the sum of its proper divisors (126531866).

249845434 is a wasteful number, since it uses less digits than its factorization.

249845434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536384.

The product of its digits is 552960, while the sum is 43.

The square root of 249845434 is about 15806.4997390314. The cubic root of 249845434 is about 629.8306708777.

The spelling of 249845434 in words is "two hundred forty-nine million, eight hundred forty-five thousand, four hundred thirty-four".