47371839 has 8 divisors (see below), whose sum is σ = 64052352. Its totient is φ = 31136280.

The previous prime is 47371829. The next prime is 47371847. The reversal of 47371839 is 93817374.

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

It is not a de Polignac number, because 47371839 - 2⁹ = 47371327 is a prime.

It is a super-2 number, since 2×47371839² = 4488182260483842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47371839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47371829) 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, 110989 + ... + 111414.

It is an arithmetic number, because the mean of its divisors is an integer number (8006544).

Almost surely, 2^47371839 is an apocalyptic number.

47371839 is a deficient number, since it is larger than the sum of its proper divisors (16680513).

47371839 is a wasteful number, since it uses less digits than its factorization.

47371839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222477.

The product of its digits is 127008, while the sum is 42.

The square root of 47371839 is about 6882.7203197573. The cubic root of 47371839 is about 361.8318129412.

The spelling of 47371839 in words is "forty-seven million, three hundred seventy-one thousand, eight hundred thirty-nine".