396893173 has 4 divisors (see below), whose sum is σ = 397722240. Its totient is φ = 396064108.

The previous prime is 396893171. The next prime is 396893183. The reversal of 396893173 is 371398693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371398693 = 31 ⋅11980603.

It is a cyclic number.

It is not a de Polignac number, because 396893173 - 2¹ = 396893171 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 (396893171) 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, 413815 + ... + 414772.

It is an arithmetic number, because the mean of its divisors is an integer number (99430560).

Almost surely, 2^396893173 is an apocalyptic number.

It is an amenable number.

396893173 is a deficient number, since it is larger than the sum of its proper divisors (829067).

396893173 is an equidigital number, since it uses as much as digits as its factorization.

396893173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829066.

The product of its digits is 734832, while the sum is 49.

The square root of 396893173 is about 19922.1779180892. The cubic root of 396893173 is about 734.8937313774.

The spelling of 396893173 in words is "three hundred ninety-six million, eight hundred ninety-three thousand, one hundred seventy-three".