396607144999 has 16 divisors (see below), whose sum is σ = 457731191232. Its totient is φ = 340717183488.

The previous prime is 396607144993. The next prime is 396607145027. The reversal of 396607144999 is 999441706693.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 396607144999 - 2¹⁷ = 396607013927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396607144993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17913874 + ... + 17935999.

It is an arithmetic number, because the mean of its divisors is an integer number (28608199452).

Almost surely, 2^396607144999 is an apocalyptic number.

396607144999 is a deficient number, since it is larger than the sum of its proper divisors (61124046233).

396607144999 is a wasteful number, since it uses less digits than its factorization.

396607144999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35849946.

The product of its (nonzero) digits is 79361856, while the sum is 67.

The spelling of 396607144999 in words is "three hundred ninety-six billion, six hundred seven million, one hundred forty-four thousand, nine hundred ninety-nine".