396269849 has 2 divisors, whose sum is σ = 396269850. Its totient is φ = 396269848.

The previous prime is 396269777. The next prime is 396269873. The reversal of 396269849 is 948962693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274498624 + 121771225 = 16568^2 + 11035^2 .

It is a cyclic number.

It is not a de Polignac number, because 396269849 - 2²⁰ = 395221273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 396269794 and 396269803.

It is not a weakly prime, because it can be changed into another prime (396269449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198134924 + 198134925.

It is an arithmetic number, because the mean of its divisors is an integer number (198134925).

Almost surely, 2^396269849 is an apocalyptic number.

It is an amenable number.

396269849 is a deficient number, since it is larger than the sum of its proper divisors (1).

396269849 is an equidigital number, since it uses as much as digits as its factorization.

396269849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 56.

The square root of 396269849 is about 19906.5277986896. The cubic root of 396269849 is about 734.5088109124.

The spelling of 396269849 in words is "three hundred ninety-six million, two hundred sixty-nine thousand, eight hundred forty-nine".