6156394 has 8 divisors (see below), whose sum is σ = 9257220. Its totient is φ = 3070656.

The previous prime is 6156379. The next prime is 6156407. The reversal of 6156394 is 4936516.

It can be written as a sum of positive squares in 2 ways, for example, as 5130225 + 1026169 = 2265^2 + 1013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6³ + 1 + 5⁹ + 6⁵ + 3⁵ + 9³ + 4¹¹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689 + ... + 4420.

Almost surely, 2^6156394 is an apocalyptic number.

6156394 is a deficient number, since it is larger than the sum of its proper divisors (3100826).

6156394 is a wasteful number, since it uses less digits than its factorization.

6156394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544.

The product of its digits is 19440, while the sum is 34.

The square root of 6156394 is about 2481.2081734510. The cubic root of 6156394 is about 183.2773522375.

The spelling of 6156394 in words is "six million, one hundred fifty-six thousand, three hundred ninety-four".