249018834 has 8 divisors (see below), whose sum is σ = 498037680. Its totient is φ = 83006276.

The previous prime is 249018827. The next prime is 249018851. The reversal of 249018834 is 438810942.

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

249018834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 249018792 and 249018801.

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, 20751564 + ... + 20751575.

It is an arithmetic number, because the mean of its divisors is an integer number (62254710).

Almost surely, 2^249018834 is an apocalyptic number.

249018834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

249018834 is a wasteful number, since it uses less digits than its factorization.

249018834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41503144.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 249018834 is about 15780.3306049018. The cubic root of 249018834 is about 629.1353166511.

The spelling of 249018834 in words is "two hundred forty-nine million, eighteen thousand, eight hundred thirty-four".