396368507 has 4 divisors (see below), whose sum is σ = 398993616. Its totient is φ = 393743400.

The previous prime is 396368501. The next prime is 396368509. The reversal of 396368507 is 705863693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705863693 = 67 ⋅10535279.

It is a cyclic number.

It is not a de Polignac number, because 396368507 - 2¹⁶ = 396302971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396368501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312328 + ... + 1312629.

It is an arithmetic number, because the mean of its divisors is an integer number (99748404).

Almost surely, 2^396368507 is an apocalyptic number.

396368507 is a deficient number, since it is larger than the sum of its proper divisors (2625109).

396368507 is a wasteful number, since it uses less digits than its factorization.

396368507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625108.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 396368507 is about 19909.0056758242. The cubic root of 396368507 is about 734.5697619347.

The spelling of 396368507 in words is "three hundred ninety-six million, three hundred sixty-eight thousand, five hundred seven".