249814854 has 40 divisors (see below), whose sum is σ = 561851400. Its totient is φ = 82962144.

The previous prime is 249814843. The next prime is 249814879. The reversal of 249814854 is 458418942.

It is a super-2 number, since 2×249814854² = 124814922558082632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43122 + ... + 48570.

It is an arithmetic number, because the mean of its divisors is an integer number (14046285).

Almost surely, 2^249814854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249814854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280925700).

249814854 is an abundant number, since it is smaller than the sum of its proper divisors (312036546).

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

249814854 is a wasteful number, since it uses less digits than its factorization.

249814854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746 (or 5737 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 249814854 is about 15805.5323858452. The cubic root of 249814854 is about 629.8049736464.

The spelling of 249814854 in words is "two hundred forty-nine million, eight hundred fourteen thousand, eight hundred fifty-four".