47964839 has 8 divisors (see below), whose sum is σ = 53051040. Its totient is φ = 43078176.

The previous prime is 47964827. The next prime is 47964877. The reversal of 47964839 is 93846974.

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

It is a cyclic number.

It is not a de Polignac number, because 47964839 - 2¹² = 47960743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47964899) 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, 49379 + ... + 50340.

It is an arithmetic number, because the mean of its divisors is an integer number (6631380).

Almost surely, 2^47964839 is an apocalyptic number.

47964839 is a deficient number, since it is larger than the sum of its proper divisors (5086201).

47964839 is a wasteful number, since it uses less digits than its factorization.

47964839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99769.

The product of its digits is 1306368, while the sum is 50.

The square root of 47964839 is about 6925.6652388056. The cubic root of 47964839 is about 363.3353583106.

The spelling of 47964839 in words is "forty-seven million, nine hundred sixty-four thousand, eight hundred thirty-nine".