47261939 has 2 divisors, whose sum is σ = 47261940. Its totient is φ = 47261938.

The previous prime is 47261933. The next prime is 47261947. The reversal of 47261939 is 93916274.

47261939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47261939 - 2⁴ = 47261923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47261896 and 47261905.

It is not a weakly prime, because it can be changed into another prime (47261933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23630969 + 23630970.

It is an arithmetic number, because the mean of its divisors is an integer number (23630970).

Almost surely, 2^47261939 is an apocalyptic number.

47261939 is a deficient number, since it is larger than the sum of its proper divisors (1).

47261939 is an equidigital number, since it uses as much as digits as its factorization.

47261939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 47261939 is about 6874.7319220461. The cubic root of 47261939 is about 361.5517864678.

The spelling of 47261939 in words is "forty-seven million, two hundred sixty-one thousand, nine hundred thirty-nine".