6156420 has 24 divisors (see below), whose sum is σ = 17238144. Its totient is φ = 1641696.

The previous prime is 6156407. The next prime is 6156443. The reversal of 6156420 is 246516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51244 + ... + 51363.

It is an arithmetic number, because the mean of its divisors is an integer number (718256).

Almost surely, 2^6156420 is an apocalyptic number.

6156420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6156420 is an abundant number, since it is smaller than the sum of its proper divisors (11081724).

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

6156420 is a wasteful number, since it uses less digits than its factorization.

6156420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102619 (or 102617 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6156420 is about 2481.2134128285. The cubic root of 6156420 is about 183.2776102459.

The spelling of 6156420 in words is "six million, one hundred fifty-six thousand, four hundred twenty".