394710479 has 2 divisors, whose sum is σ = 394710480. Its totient is φ = 394710478.

The previous prime is 394710457. The next prime is 394710499. The reversal of 394710479 is 974017493.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394710479 - 2²⁰ = 393661903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394710409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197355239 + 197355240.

It is an arithmetic number, because the mean of its divisors is an integer number (197355240).

Almost surely, 2^394710479 is an apocalyptic number.

394710479 is a deficient number, since it is larger than the sum of its proper divisors (1).

394710479 is an equidigital number, since it uses as much as digits as its factorization.

394710479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 394710479 is about 19867.3218879647. The cubic root of 394710479 is about 733.5440838946.

The spelling of 394710479 in words is "three hundred ninety-four million, seven hundred ten thousand, four hundred seventy-nine".