394461963 has 12 divisors (see below), whose sum is σ = 651175408. Its totient is φ = 225406800.

The previous prime is 394461961. The next prime is 394461967. The reversal of 394461963 is 369164493.

It is not a de Polignac number, because 394461963 - 2¹ = 394461961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394461961) 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, 3130588 + ... + 3130713.

Almost surely, 2^394461963 is an apocalyptic number.

394461963 is a deficient number, since it is larger than the sum of its proper divisors (256713445).

394461963 is a wasteful number, since it uses less digits than its factorization.

394461963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261314 (or 6261311 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 394461963 is about 19861.0665121488. The cubic root of 394461963 is about 733.3901012299.

The spelling of 394461963 in words is "three hundred ninety-four million, four hundred sixty-one thousand, nine hundred sixty-three".