396097816 has 16 divisors (see below), whose sum is σ = 742949640. Its totient is φ = 197977920.

The previous prime is 396097787. The next prime is 396097817. The reversal of 396097816 is 618790693.

It is a self number, because there is not a number n which added to its sum of digits gives 396097816.

It is a congruent 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20596 + ... + 34876.

Almost surely, 2^396097816 is an apocalyptic number.

It is an amenable number.

396097816 is a deficient number, since it is larger than the sum of its proper divisors (346851824).

396097816 is a wasteful number, since it uses less digits than its factorization.

396097816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754 (or 17750 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 396097816 is about 19902.2063098542. The cubic root of 396097816 is about 734.4025045283.

The spelling of 396097816 in words is "three hundred ninety-six million, ninety-seven thousand, eight hundred sixteen".