47243836 has 12 divisors (see below), whose sum is σ = 84436128. Its totient is φ = 23119232.

The previous prime is 47243827. The next prime is 47243851. The reversal of 47243836 is 63834274.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47243795 and 47243804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125461 + ... + 125836.

It is an arithmetic number, because the mean of its divisors is an integer number (7036344).

Almost surely, 2^47243836 is an apocalyptic number.

It is an amenable number.

47243836 is a deficient number, since it is larger than the sum of its proper divisors (37192292).

47243836 is a wasteful number, since it uses less digits than its factorization.

47243836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251348 (or 251346 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 47243836 is about 6873.4151627848. The cubic root of 47243836 is about 361.5056181840.

The spelling of 47243836 in words is "forty-seven million, two hundred forty-three thousand, eight hundred thirty-six".