393734 has 12 divisors (see below), whose sum is σ = 649572. Its totient is φ = 178860.

The previous prime is 393727. The next prime is 393739. The reversal of 393734 is 437393.

393734 is nontrivially palindromic in base 16.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 393697 and 393706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (54131).

2³⁹³⁷³⁴ is an apocalyptic number.

393734 is a deficient number, since it is larger than the sum of its proper divisors (255838).

393734 is a wasteful number, since it uses less digits than its factorization.

393734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1640 counting only the distinct ones).

The product of its digits is 6804, while the sum is 29.

The square root of 393734 is about 627.4822706659. The cubic root of 393734 is about 73.2938676535.

It can be divided in two parts, 39 and 3734, that added together give a palindrome (3773).

The spelling of 393734 in words is "three hundred ninety-three thousand, seven hundred thirty-four".