394766469 has 12 divisors (see below), whose sum is σ = 603760716. Its totient is φ = 247696512.

The previous prime is 394766453. The next prime is 394766497. The reversal of 394766469 is 964667493.

It can be written as a sum of positive squares in 2 ways, for example, as 349203969 + 45562500 = 18687^2 + 6750^2 .

It is not a de Polignac number, because 394766469 - 2⁴ = 394766453 is a prime.

It is a super-2 number, since 2×394766469² = 311681130093455922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394766069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289934 + ... + 1290239.

It is an arithmetic number, because the mean of its divisors is an integer number (50313393).

Almost surely, 2^394766469 is an apocalyptic number.

It is an amenable number.

394766469 is a deficient number, since it is larger than the sum of its proper divisors (208994247).

394766469 is a wasteful number, since it uses less digits than its factorization.

394766469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580196 (or 2580193 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 394766469 is about 19868.7309358197. The cubic root of 394766469 is about 733.5787668615.

The spelling of 394766469 in words is "three hundred ninety-four million, seven hundred sixty-six thousand, four hundred sixty-nine".