392446049 has 2 divisors, whose sum is σ = 392446050. Its totient is φ = 392446048.

The previous prime is 392446031. The next prime is 392446051. The reversal of 392446049 is 940644293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364810000 + 27636049 = 19100^2 + 5257^2 .

It is a cyclic number.

It is not a de Polignac number, because 392446049 - 2⁸ = 392445793 is a prime.

Together with 392446051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 392445997 and 392446015.

It is not a weakly prime, because it can be changed into another prime (392449049) 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 as a sum of consecutive naturals, namely, 196223024 + 196223025.

It is an arithmetic number, because the mean of its divisors is an integer number (196223025).

Almost surely, 2^392446049 is an apocalyptic number.

It is an amenable number.

392446049 is a deficient number, since it is larger than the sum of its proper divisors (1).

392446049 is an equidigital number, since it uses as much as digits as its factorization.

392446049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 392446049 is about 19810.2511089587. The cubic root of 392446049 is about 732.1386268600.

The spelling of 392446049 in words is "three hundred ninety-two million, four hundred forty-six thousand, forty-nine".