47331838 has 8 divisors (see below), whose sum is σ = 74084688. Its totient is φ = 22636944.

The previous prime is 47331827. The next prime is 47331839. The reversal of 47331838 is 83813374.

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

It is a junction number, because it is equal to n+sod(n) for n = 47331797 and 47331806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47331839) 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, 514431 + ... + 514522.

It is an arithmetic number, because the mean of its divisors is an integer number (9260586).

Almost surely, 2^47331838 is an apocalyptic number.

47331838 is a deficient number, since it is larger than the sum of its proper divisors (26752850).

47331838 is a wasteful number, since it uses less digits than its factorization.

47331838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028978.

The product of its digits is 48384, while the sum is 37.

The square root of 47331838 is about 6879.8138056200. The cubic root of 47331838 is about 361.7299401096.

The spelling of 47331838 in words is "forty-seven million, three hundred thirty-one thousand, eight hundred thirty-eight".