472415939 has 2 divisors, whose sum is σ = 472415940. Its totient is φ = 472415938.

The previous prime is 472415927. The next prime is 472415947. The reversal of 472415939 is 939514274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472415939 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472415939.

It is not a weakly prime, because it can be changed into another prime (472415959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236207969 + 236207970.

It is an arithmetic number, because the mean of its divisors is an integer number (236207970).

Almost surely, 2^472415939 is an apocalyptic number.

472415939 is a deficient number, since it is larger than the sum of its proper divisors (1).

472415939 is an equidigital number, since it uses as much as digits as its factorization.

472415939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 472415939 is about 21735.1314465775. The cubic root of 472415939 is about 778.8279235175.

The spelling of 472415939 in words is "four hundred seventy-two million, four hundred fifteen thousand, nine hundred thirty-nine".