396765219 has 16 divisors (see below), whose sum is σ = 534580992. Its totient is φ = 261744288.

The previous prime is 396765209. The next prime is 396765221. The reversal of 396765219 is 912567693.

It is not a de Polignac number, because 396765219 - 2¹³ = 396757027 is a prime.

It is a super-2 number, since 2×396765219² = 314845278016235922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396765209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122272 + ... + 125474.

It is an arithmetic number, because the mean of its divisors is an integer number (33411312).

Almost surely, 2^396765219 is an apocalyptic number.

396765219 is a deficient number, since it is larger than the sum of its proper divisors (137815773).

396765219 is a wasteful number, since it uses less digits than its factorization.

396765219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its digits is 612360, while the sum is 48.

The square root of 396765219 is about 19918.9663135415. The cubic root of 396765219 is about 734.8147489998.

The spelling of 396765219 in words is "three hundred ninety-six million, seven hundred sixty-five thousand, two hundred nineteen".