249308 has 6 divisors (see below), whose sum is σ = 436296. Its totient is φ = 124652.

The previous prime is 249287. The next prime is 249311. The reversal of 249308 is 803942.

It is a d-powerful number, because it can be written as 2¹⁵ + 4³ + 3¹¹ + 9⁴ + 0 + 8⁵ .

It is a congruent number.

It is an unprimeable number.

249308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31160 + ... + 31167.

It is an arithmetic number, because the mean of its divisors is an integer number (72716).

2²⁴⁹³⁰⁸ is an apocalyptic number.

It is an amenable number.

249308 is a deficient number, since it is larger than the sum of its proper divisors (186988).

249308 is a wasteful number, since it uses less digits than its factorization.

249308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62331 (or 62329 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 249308 is about 499.3075204721. The cubic root of 249308 is about 62.9378744249.

The spelling of 249308 in words is "two hundred forty-nine thousand, three hundred eight".