252149684 has 48 divisors (see below), whose sum is σ = 477550080. Its totient is φ = 116131680.

The previous prime is 252149683. The next prime is 252149699. The reversal of 252149684 is 486941252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252149683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447587 + ... + 448149.

It is an arithmetic number, because the mean of its divisors is an integer number (9948960).

Almost surely, 2^252149684 is an apocalyptic number.

It is an amenable number.

252149684 is a deficient number, since it is larger than the sum of its proper divisors (225400396).

252149684 is a wasteful number, since it uses less digits than its factorization.

252149684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 252149684 is about 15879.2217693437. The cubic root of 252149684 is about 631.7609955905.

The spelling of 252149684 in words is "two hundred fifty-two million, one hundred forty-nine thousand, six hundred eighty-four".