394339134 has 32 divisors (see below), whose sum is σ = 902292480. Its totient is φ = 112550112.

The previous prime is 394339093. The next prime is 394339147. The reversal of 394339134 is 431933493.

It is a junction number, because it is equal to n+sod(n) for n = 394339092 and 394339101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40507 + ... + 49289.

It is an arithmetic number, because the mean of its divisors is an integer number (28196640).

Almost surely, 2^394339134 is an apocalyptic number.

394339134 is an abundant number, since it is smaller than the sum of its proper divisors (507953346).

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

394339134 is a wasteful number, since it uses less digits than its factorization.

394339134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864.

The product of its digits is 104976, while the sum is 39.

The square root of 394339134 is about 19857.9740658507. The cubic root of 394339134 is about 733.3139714355.

The spelling of 394339134 in words is "three hundred ninety-four million, three hundred thirty-nine thousand, one hundred thirty-four".