356849 has 4 divisors (see below), whose sum is σ = 363636. Its totient is φ = 350064.

The previous prime is 356831. The next prime is 356869. The reversal of 356849 is 948653.

356849 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948653 = 67 ⋅14159.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 34225 = 568^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 356849 - 2¹² = 352753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356819) 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, 3314 + ... + 3419.

It is an arithmetic number, because the mean of its divisors is an integer number (90909).

2³⁵⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

356849 is a deficient number, since it is larger than the sum of its proper divisors (6787).

356849 is an equidigital number, since it uses as much as digits as its factorization.

356849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

The product of its digits is 25920, while the sum is 35.

The square root of 356849 is about 597.3683955483. The cubic root of 356849 is about 70.9297062666.

The spelling of 356849 in words is "three hundred fifty-six thousand, eight hundred forty-nine".