393101 has 4 divisors (see below), whose sum is σ = 400572. Its totient is φ = 385632.

The previous prime is 393097. The next prime is 393103. The reversal of 393101 is 101393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101393 = 41 ⋅2473.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 90601 = 550^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 393101 - 2² = 393097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 393101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (100143).

2³⁹³¹⁰¹ is an apocalyptic number.

It is an amenable number.

393101 is a deficient number, since it is larger than the sum of its proper divisors (7471).

393101 is an equidigital number, since it uses as much as digits as its factorization.

393101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 393101 is about 626.9776710538. The cubic root of 393101 is about 73.2545687840.

Adding to 393101 its reverse (101393), we get a palindrome (494494).

It can be divided in two parts, 393 and 101, that multiplied together give a palindrome (39693).

The spelling of 393101 in words is "three hundred ninety-three thousand, one hundred one".