394749 has 12 divisors (see below), whose sum is σ = 595296. Its totient is φ = 251592.

The previous prime is 394747. The next prime is 394759. The reversal of 394749 is 947493.

It is not a de Polignac number, because 394749 - 2¹ = 394747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394747) by changing a digit.

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, 747 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (49608).

2³⁹⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

394749 is a deficient number, since it is larger than the sum of its proper divisors (200547).

394749 is a wasteful number, since it uses less digits than its factorization.

394749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1933 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 394749 is about 628.2905378883. The cubic root of 394749 is about 73.3567946053.

The spelling of 394749 in words is "three hundred ninety-four thousand, seven hundred forty-nine".