47000939 has 2 divisors, whose sum is σ = 47000940. Its totient is φ = 47000938.

The previous prime is 47000911. The next prime is 47000953. The reversal of 47000939 is 93900074.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47000939 - 2²⁰ = 45952363 is a prime.

It is a Chen prime.

It is equal to p_2831756 and since 47000939 and 2831756 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47000959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500469 + 23500470.

It is an arithmetic number, because the mean of its divisors is an integer number (23500470).

Almost surely, 2^47000939 is an apocalyptic number.

47000939 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000939 is an equidigital number, since it uses as much as digits as its factorization.

47000939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 47000939 is about 6855.7230836725. The cubic root of 47000939 is about 360.8850113225.

The spelling of 47000939 in words is "forty-seven million, nine hundred thirty-nine", and thus it is an aban number.