394339652 has 36 divisors (see below), whose sum is σ = 804767040. Its totient is φ = 168580944.

The previous prime is 394339643. The next prime is 394339697. The reversal of 394339652 is 256933493.

It is a super-2 number, since 2×394339652² = 311007522278962208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83753 + ... + 88335.

It is an arithmetic number, because the mean of its divisors is an integer number (22354640).

Almost surely, 2^394339652 is an apocalyptic number.

It is an amenable number.

394339652 is an abundant number, since it is smaller than the sum of its proper divisors (410427388).

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

394339652 is a wasteful number, since it uses less digits than its factorization.

394339652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5031 counting only the distinct ones).

The product of its digits is 524880, while the sum is 44.

The square root of 394339652 is about 19857.9871084660. The cubic root of 394339652 is about 733.3142925267.

The spelling of 394339652 in words is "three hundred ninety-four million, three hundred thirty-nine thousand, six hundred fifty-two".