249393949 has 8 divisors (see below), whose sum is σ = 292725248. Its totient is φ = 207988560.

The previous prime is 249393929. The next prime is 249393953. The reversal of 249393949 is 949393942.

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

It is a cyclic number.

It is not a de Polignac number, because 249393949 - 2⁵ = 249393917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249393896 and 249393905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249393919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481197 + ... + 481714.

It is an arithmetic number, because the mean of its divisors is an integer number (36590656).

Almost surely, 2^249393949 is an apocalyptic number.

It is an amenable number.

249393949 is a deficient number, since it is larger than the sum of its proper divisors (43331299).

249393949 is an equidigital number, since it uses as much as digits as its factorization.

249393949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962955.

The product of its digits is 1889568, while the sum is 52.

The square root of 249393949 is about 15792.2116563830. The cubic root of 249393949 is about 629.4510621033.

The spelling of 249393949 in words is "two hundred forty-nine million, three hundred ninety-three thousand, nine hundred forty-nine".