356393 has 4 divisors (see below), whose sum is σ = 357588. Its totient is φ = 355200.

The previous prime is 356387. The next prime is 356399. The reversal of 356393 is 393653.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (356387) and next prime (356399).

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 94249 = 512^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 356393 - 2⁸ = 356137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356399) 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, 293 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (89397).

2³⁵⁶³⁹³ is an apocalyptic number.

It is an amenable number.

356393 is a deficient number, since it is larger than the sum of its proper divisors (1195).

356393 is an equidigital number, since it uses as much as digits as its factorization.

356393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its digits is 7290, while the sum is 29.

The square root of 356393 is about 596.9865995146. The cubic root of 356393 is about 70.8994808465.

The spelling of 356393 in words is "three hundred fifty-six thousand, three hundred ninety-three".