306396 has 24 divisors (see below), whose sum is σ = 794640. Its totient is φ = 102096.

The previous prime is 306389. The next prime is 306407. The reversal of 306396 is 693603.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306396.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (33110).

2³⁰⁶³⁹⁶ is an apocalyptic number.

306396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

306396 is an abundant number, since it is smaller than the sum of its proper divisors (488244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306396 is a wasteful number, since it uses less digits than its factorization.

306396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 306396 is about 553.5304869653. The cubic root of 306396 is about 67.4156972247.

Adding to 306396 its reverse (693603), we get a palindrome (999999).

The spelling of 306396 in words is "three hundred six thousand, three hundred ninety-six".