356443 has 2 divisors, whose sum is σ = 356444. Its totient is φ = 356442.

The previous prime is 356441. The next prime is 356449. The reversal of 356443 is 344653.

It is a weak prime.

It is an emirp because it is prime and its reverse (344653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 356443 - 2¹ = 356441 is a prime.

It is a super-2 number, since 2×356443² = 254103224498, which contains 22 as substring.

Together with 356441, it forms a pair of twin primes.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (356441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178221 + 178222.

It is an arithmetic number, because the mean of its divisors is an integer number (178222).

2³⁵⁶⁴⁴³ is an apocalyptic number.

356443 is a deficient number, since it is larger than the sum of its proper divisors (1).

356443 is an equidigital number, since it uses as much as digits as its factorization.

356443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 356443 is about 597.0284750328. The cubic root of 356443 is about 70.9027962954.

The spelling of 356443 in words is "three hundred fifty-six thousand, four hundred forty-three".