252940384 has 48 divisors (see below), whose sum is σ = 521404128. Its totient is φ = 120558592.

The previous prime is 252940381. The next prime is 252940393. The reversal of 252940384 is 483049252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252940381) 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 7 ways as a sum of consecutive naturals, for example, 409644 + ... + 410260.

It is an arithmetic number, because the mean of its divisors is an integer number (10862586).

Almost surely, 2^252940384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252940384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260702064).

252940384 is an abundant number, since it is smaller than the sum of its proper divisors (268463744).

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

252940384 is a wasteful number, since it uses less digits than its factorization.

252940384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 252940384 is about 15904.0995972737. The cubic root of 252940384 is about 632.4206727678.

The spelling of 252940384 in words is "two hundred fifty-two million, nine hundred forty thousand, three hundred eighty-four".