361393 has 4 divisors (see below), whose sum is σ = 362608. Its totient is φ = 360180.

The previous prime is 361373. The next prime is 361409. The reversal of 361393 is 393163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 393163 = 109 ⋅3607.

It is a cyclic number.

It is not a de Polignac number, because 361393 - 2¹³ = 353201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361313) 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, 178 + ... + 868.

It is an arithmetic number, because the mean of its divisors is an integer number (90652).

2³⁶¹³⁹³ is an apocalyptic number.

It is an amenable number.

361393 is a deficient number, since it is larger than the sum of its proper divisors (1215).

361393 is an equidigital number, since it uses as much as digits as its factorization.

361393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its digits is 1458, while the sum is 25.

The square root of 361393 is about 601.1597125557. The cubic root of 361393 is about 71.2295026706.

The spelling of 361393 in words is "three hundred sixty-one thousand, three hundred ninety-three".