6156838 has 4 divisors (see below), whose sum is σ = 9235260. Its totient is φ = 3078418.

The previous prime is 6156823. The next prime is 6156853. The reversal of 6156838 is 8386516.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6156823) and next prime (6156853).

It is a junction number, because it is equal to n+sod(n) for n = 6156797 and 6156806.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1539208 + ... + 1539211.

It is an arithmetic number, because the mean of its divisors is an integer number (2308815).

Almost surely, 2^6156838 is an apocalyptic number.

6156838 is a deficient number, since it is larger than the sum of its proper divisors (3078422).

6156838 is a wasteful number, since it uses less digits than its factorization.

6156838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078421.

The product of its digits is 34560, while the sum is 37.

The square root of 6156838 is about 2481.2976443788. The cubic root of 6156838 is about 183.2817581277.

The spelling of 6156838 in words is "six million, one hundred fifty-six thousand, eight hundred thirty-eight".