252789416 has 16 divisors (see below), whose sum is σ = 517069440. Its totient is φ = 114904240.

The previous prime is 252789413. The next prime is 252789443. The reversal of 252789416 is 614987252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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

It is not an unprimeable number, because it can be changed into a prime (252789413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436216 + ... + 1436391.

It is an arithmetic number, because the mean of its divisors is an integer number (32316840).

Almost surely, 2^252789416 is an apocalyptic number.

It is an amenable number.

252789416 is an abundant number, since it is smaller than the sum of its proper divisors (264280024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252789416 is a wasteful number, since it uses less digits than its factorization.

252789416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872624 (or 2872620 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 252789416 is about 15899.3526912261. The cubic root of 252789416 is about 632.2948271913.

The spelling of 252789416 in words is "two hundred fifty-two million, seven hundred eighty-nine thousand, four hundred sixteen".