47364239 has 4 divisors (see below), whose sum is σ = 51007656. Its totient is φ = 43720824.

The previous prime is 47364223. The next prime is 47364259. The reversal of 47364239 is 93246374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47364239 - 2⁴ = 47364223 is a prime.

It is a super-2 number, since 2×47364239² = 4486742272098242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47364259) 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, 1821689 + ... + 1821714.

It is an arithmetic number, because the mean of its divisors is an integer number (12751914).

Almost surely, 2^47364239 is an apocalyptic number.

47364239 is a deficient number, since it is larger than the sum of its proper divisors (3643417).

47364239 is a wasteful number, since it uses less digits than its factorization.

47364239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643416.

The product of its digits is 108864, while the sum is 38.

The square root of 47364239 is about 6882.1681903307. The cubic root of 47364239 is about 361.8124620011.

The spelling of 47364239 in words is "forty-seven million, three hundred sixty-four thousand, two hundred thirty-nine".