52347384 has 40 divisors (see below), whose sum is σ = 146622960. Its totient is φ = 17448912.

The previous prime is 52347371. The next prime is 52347389. The reversal of 52347384 is 48374325.

It is a happy number.

It is a super-2 number, since 2×52347384² = 5480497223286912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52347389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39744 + ... + 41039.

It is an arithmetic number, because the mean of its divisors is an integer number (3665574).

Almost surely, 2^52347384 is an apocalyptic number.

52347384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52347384 is an abundant number, since it is smaller than the sum of its proper divisors (94275576).

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

52347384 is a wasteful number, since it uses less digits than its factorization.

52347384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80801 (or 80788 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 52347384 is about 7235.1492037138. The cubic root of 52347384 is about 374.0804349099.

The spelling of 52347384 in words is "fifty-two million, three hundred forty-seven thousand, three hundred eighty-four".