249021914 has 8 divisors (see below), whose sum is σ = 383628468. Its totient is φ = 121145760.

The previous prime is 249021893. The next prime is 249021937. The reversal of 249021914 is 419120942.

It can be written as a sum of positive squares in 2 ways, for example, as 227557225 + 21464689 = 15085^2 + 4633^2 .

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

It is a Curzon 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, 1682507 + ... + 1682654.

Almost surely, 2^249021914 is an apocalyptic number.

249021914 is a deficient number, since it is larger than the sum of its proper divisors (134606554).

249021914 is a wasteful number, since it uses less digits than its factorization.

249021914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365200.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 249021914 is about 15780.4281944439. The cubic root of 249021914 is about 629.1379104693.

The spelling of 249021914 in words is "two hundred forty-nine million, twenty-one thousand, nine hundred fourteen".