6309396 has 18 divisors (see below), whose sum is σ = 15948842. Its totient is φ = 2103120.

The previous prime is 6309389. The next prime is 6309437. The reversal of 6309396 is 6939036.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 404496 = 2430^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 175261 = 6309396 / (6 + 3 + 0 + 9 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 6309396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87595 + ... + 87666.

Almost surely, 2^6309396 is an apocalyptic number.

It is an amenable number.

6309396 is an abundant number, since it is smaller than the sum of its proper divisors (9639446).

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

6309396 is a wasteful number, since it uses less digits than its factorization.

6309396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175271 (or 175266 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 6309396 is about 2511.8511102372. The cubic root of 6309396 is about 184.7832474835.

The spelling of 6309396 in words is "six million, three hundred nine thousand, three hundred ninety-six".