6158420 has 48 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 2271744.

The previous prime is 6158407. The next prime is 6158483. The reversal of 6158420 is 248516.

It is a super-2 number, since 2×6158420² = 75852273792800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6158420.

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 in 15 ways as a sum of consecutive naturals, for example, 19907 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^6158420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6158420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985440).

6158420 is an abundant number, since it is smaller than the sum of its proper divisors (7812460).

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

6158420 is a wasteful number, since it uses less digits than its factorization.

6158420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 6158420 is about 2481.6164087143. The cubic root of 6158420 is about 183.2974548707.

The spelling of 6158420 in words is "six million, one hundred fifty-eight thousand, four hundred twenty".