396120169 has 2 divisors, whose sum is σ = 396120170. Its totient is φ = 396120168.

The previous prime is 396120157. The next prime is 396120173. The reversal of 396120169 is 961021693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221563225 + 174556944 = 14885^2 + 13212^2 .

It is a cyclic number.

It is not a de Polignac number, because 396120169 - 2¹³ = 396111977 is a prime.

It is a super-2 number, since 2×396120169² = 313822376577177122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396120149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198060084 + 198060085.

It is an arithmetic number, because the mean of its divisors is an integer number (198060085).

Almost surely, 2^396120169 is an apocalyptic number.

It is an amenable number.

396120169 is a deficient number, since it is larger than the sum of its proper divisors (1).

396120169 is an equidigital number, since it uses as much as digits as its factorization.

396120169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 396120169 is about 19902.7678728362. The cubic root of 396120169 is about 734.4163191214.

The spelling of 396120169 in words is "three hundred ninety-six million, one hundred twenty thousand, one hundred sixty-nine".