396919 has 2 divisors, whose sum is σ = 396920. Its totient is φ = 396918.

The previous prime is 396887. The next prime is 396931. The reversal of 396919 is 919693.

It is a strong prime.

It is an emirp because it is prime and its reverse (919693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396919 - 2⁵ = 396887 is a prime.

It is a super-2 number, since 2×396919² = 315089385122, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396119) 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, 198459 + 198460.

It is an arithmetic number, because the mean of its divisors is an integer number (198460).

2³⁹⁶⁹¹⁹ is an apocalyptic number.

396919 is a deficient number, since it is larger than the sum of its proper divisors (1).

396919 is an equidigital number, since it uses as much as digits as its factorization.

396919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 37.

The square root of 396919 is about 630.0150791846. The cubic root of 396919 is about 73.4909671593.

The spelling of 396919 in words is "three hundred ninety-six thousand, nine hundred nineteen".