392849 has 2 divisors, whose sum is σ = 392850. Its totient is φ = 392848.

The previous prime is 392837. The next prime is 392851. The reversal of 392849 is 948293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 70225 = 568^2 + 265^2 .

It is an emirp because it is prime and its reverse (948293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 392849 - 2⁸ = 392593 is a prime.

Together with 392851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (392809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196424 + 196425.

It is an arithmetic number, because the mean of its divisors is an integer number (196425).

2³⁹²⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

392849 is a deficient number, since it is larger than the sum of its proper divisors (1).

392849 is an equidigital number, since it uses as much as digits as its factorization.

392849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 392849 is about 626.7766747415. The cubic root of 392849 is about 73.2389119957.

It can be divided in two parts, 39284 and 9, that added together give a palindrome (39293).

The spelling of 392849 in words is "three hundred ninety-two thousand, eight hundred forty-nine".