249659346 has 16 divisors (see below), whose sum is σ = 499476384. Its totient is φ = 83193504.

The previous prime is 249659327. The next prime is 249659351. The reversal of 249659346 is 643956942.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249659295 and 249659304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28030 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (31217274).

Almost surely, 2^249659346 is an apocalyptic number.

249659346 is an abundant number, since it is smaller than the sum of its proper divisors (249817038).

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

249659346 is a wasteful number, since it uses less digits than its factorization.

249659346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145.

The product of its digits is 1399680, while the sum is 48.

The square root of 249659346 is about 15800.6122033293. The cubic root of 249659346 is about 629.6742634563.

The spelling of 249659346 in words is "two hundred forty-nine million, six hundred fifty-nine thousand, three hundred forty-six".