394919495 has 16 divisors (see below), whose sum is σ = 481383840. Its totient is φ = 310984704.

The previous prime is 394919491. The next prime is 394919531. The reversal of 394919495 is 594919493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 394919495 - 2² = 394919491 is a prime.

It is a super-2 number, since 2×394919495² = 311922815062110050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394919491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91496 + ... + 95714.

It is an arithmetic number, because the mean of its divisors is an integer number (30086490).

Almost surely, 2^394919495 is an apocalyptic number.

394919495 is a deficient number, since it is larger than the sum of its proper divisors (86464345).

394919495 is a wasteful number, since it uses less digits than its factorization.

394919495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514.

The product of its digits is 1574640, while the sum is 53.

The square root of 394919495 is about 19872.5814880704. The cubic root of 394919495 is about 733.6735419850.

The spelling of 394919495 in words is "three hundred ninety-four million, nine hundred nineteen thousand, four hundred ninety-five".