252949438 has 8 divisors (see below), whose sum is σ = 433627632. Its totient is φ = 108406896.

The previous prime is 252949399. The next prime is 252949439. The reversal of 252949438 is 834949252.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252949439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9033895 + ... + 9033922.

It is an arithmetic number, because the mean of its divisors is an integer number (54203454).

Almost surely, 2^252949438 is an apocalyptic number.

252949438 is a deficient number, since it is larger than the sum of its proper divisors (180678194).

252949438 is a wasteful number, since it uses less digits than its factorization.

252949438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067826.

The product of its digits is 622080, while the sum is 46.

The square root of 252949438 is about 15904.3842383162. The cubic root of 252949438 is about 632.4282185096.

The spelling of 252949438 in words is "two hundred fifty-two million, nine hundred forty-nine thousand, four hundred thirty-eight".