47339643 has 8 divisors (see below), whose sum is σ = 67974928. Its totient is φ = 29132064.

The previous prime is 47339639. The next prime is 47339671. The reversal of 47339643 is 34693374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47339643 - 2² = 47339639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1213837 = 47339643 / (4 + 7 + 3 + 3 + 9 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47339693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606880 + ... + 606957.

It is an arithmetic number, because the mean of its divisors is an integer number (8496866).

Almost surely, 2^47339643 is an apocalyptic number.

47339643 is a deficient number, since it is larger than the sum of its proper divisors (20635285).

47339643 is a wasteful number, since it uses less digits than its factorization.

47339643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213853.

The product of its digits is 163296, while the sum is 39.

The square root of 47339643 is about 6880.3810214261. The cubic root of 47339643 is about 361.7498220547.

The spelling of 47339643 in words is "forty-seven million, three hundred thirty-nine thousand, six hundred forty-three".