47656343 has 4 divisors (see below), whose sum is σ = 54464400. Its totient is φ = 40848288.

The previous prime is 47656339. The next prime is 47656379. The reversal of 47656343 is 34365674.

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 47656343 - 2² = 47656339 is a prime.

It is a super-2 number, since 2×47656343² = 4542254056267298, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47656297 and 47656306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47656303) 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, 3404018 + ... + 3404031.

It is an arithmetic number, because the mean of its divisors is an integer number (13616100).

Almost surely, 2^47656343 is an apocalyptic number.

47656343 is a deficient number, since it is larger than the sum of its proper divisors (6808057).

47656343 is an equidigital number, since it uses as much as digits as its factorization.

47656343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808056.

The product of its digits is 181440, while the sum is 38.

The square root of 47656343 is about 6903.3573715983. The cubic root of 47656343 is about 362.5547262600.

The spelling of 47656343 in words is "forty-seven million, six hundred fifty-six thousand, three hundred forty-three".