249838054 has 8 divisors (see below), whose sum is σ = 376151040. Its totient is φ = 124454376.

The previous prime is 249838033. The next prime is 249838067. The reversal of 249838054 is 450838942.

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

It is a self number, because there is not a number n which added to its sum of digits gives 249838054.

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, 231654 + ... + 232729.

It is an arithmetic number, because the mean of its divisors is an integer number (47018880).

Almost surely, 2^249838054 is an apocalyptic number.

249838054 is a deficient number, since it is larger than the sum of its proper divisors (126312986).

249838054 is a wasteful number, since it uses less digits than its factorization.

249838054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464654.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 249838054 is about 15806.2662890387. The cubic root of 249838054 is about 629.8244694488.

The spelling of 249838054 in words is "two hundred forty-nine million, eight hundred thirty-eight thousand, fifty-four".