394642104 has 32 divisors (see below), whose sum is σ = 995343120. Its totient is φ = 130382336.

The previous prime is 394642067. The next prime is 394642117. The reversal of 394642104 is 401246493.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70047 + ... + 75470.

Almost surely, 2^394642104 is an apocalyptic number.

It is an amenable number.

394642104 is an abundant number, since it is smaller than the sum of its proper divisors (600701016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394642104 is a wasteful number, since it uses less digits than its factorization.

394642104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145639 (or 145635 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 394642104 is about 19865.6010228737. The cubic root of 394642104 is about 733.5017245993.

Adding to 394642104 its reverse (401246493), we get a palindrome (795888597).

The spelling of 394642104 in words is "three hundred ninety-four million, six hundred forty-two thousand, one hundred four".