393741 has 10 divisors (see below), whose sum is σ = 588302. Its totient is φ = 262440.

The previous prime is 393739. The next prime is 393749. The reversal of 393741 is 147393.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 8100 = 621^2 + 90^2 .

It is not a de Polignac number, because 393741 - 2¹ = 393739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393749) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2350 + ... + 2511.

2³⁹³⁷⁴¹ is an apocalyptic number.

It is an amenable number.

393741 is a deficient number, since it is larger than the sum of its proper divisors (194561).

393741 is an equidigital number, since it uses as much as digits as its factorization.

393741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873 (or 4864 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 393741 is about 627.4878484879. The cubic root of 393741 is about 73.2943020026.

The spelling of 393741 in words is "three hundred ninety-three thousand, seven hundred forty-one".