355387 has 4 divisors (see below), whose sum is σ = 356616. Its totient is φ = 354160.

The previous prime is 355379. The next prime is 355417. The reversal of 355387 is 783553.

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 a cyclic number.

It is not a de Polignac number, because 355387 - 2³ = 355379 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (89154).

2³⁵⁵³⁸⁷ is an apocalyptic number.

355387 is a deficient number, since it is larger than the sum of its proper divisors (1229).

355387 is an equidigital number, since it uses as much as digits as its factorization.

355387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 12600, while the sum is 31.

The square root of 355387 is about 596.1434391151. The cubic root of 355387 is about 70.8327080299.

The spelling of 355387 in words is "three hundred fifty-five thousand, three hundred eighty-seven".