396097819 has 16 divisors (see below), whose sum is σ = 441262080. Its totient is φ = 353083680.

The previous prime is 396097817. The next prime is 396097939. The reversal of 396097819 is 918790693.

It is a cyclic number.

It is not a de Polignac number, because 396097819 - 2¹ = 396097817 is a prime.

It is a super-2 number, since 2×396097819² = 313786964433113522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396097817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289074 + ... + 290440.

It is an arithmetic number, because the mean of its divisors is an integer number (27578880).

Almost surely, 2^396097819 is an apocalyptic number.

396097819 is a deficient number, since it is larger than the sum of its proper divisors (45164261).

396097819 is a wasteful number, since it uses less digits than its factorization.

396097819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 396097819 is about 19902.2063852227. The cubic root of 396097819 is about 734.4025063824.

The spelling of 396097819 in words is "three hundred ninety-six million, ninety-seven thousand, eight hundred nineteen".