390230047 has 2 divisors, whose sum is σ = 390230048. Its totient is φ = 390230046.

The previous prime is 390230033. The next prime is 390230051. The reversal of 390230047 is 740032093.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390230047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390229997 and 390230024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390230447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195115023 + 195115024.

It is an arithmetic number, because the mean of its divisors is an integer number (195115024).

Almost surely, 2^390230047 is an apocalyptic number.

390230047 is a deficient number, since it is larger than the sum of its proper divisors (1).

390230047 is an equidigital number, since it uses as much as digits as its factorization.

390230047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 390230047 is about 19754.2412408070. The cubic root of 390230047 is about 730.7579835641.

The spelling of 390230047 in words is "three hundred ninety million, two hundred thirty thousand, forty-seven".