39479227 has 2 divisors, whose sum is σ = 39479228. Its totient is φ = 39479226.

The previous prime is 39479173. The next prime is 39479233. The reversal of 39479227 is 72297493.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39479227 is a prime.

It is not a weakly prime, because it can be changed into another prime (39479267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19739613 + 19739614.

It is an arithmetic number, because the mean of its divisors is an integer number (19739614).

Almost surely, 2^39479227 is an apocalyptic number.

39479227 is a deficient number, since it is larger than the sum of its proper divisors (1).

39479227 is an equidigital number, since it uses as much as digits as its factorization.

39479227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 39479227 is about 6283.2497165082. The cubic root of 39479227 is about 340.5045191500.

The spelling of 39479227 in words is "thirty-nine million, four hundred seventy-nine thousand, two hundred twenty-seven".