6021378 has 80 divisors (see below), whose sum is σ = 15333120. Its totient is φ = 1749600.

The previous prime is 6021373. The next prime is 6021397. The reversal of 6021378 is 8731206.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6021373) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55188 + ... + 55296.

It is an arithmetic number, because the mean of its divisors is an integer number (191664).

Almost surely, 2^6021378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6021378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7666560).

6021378 is an abundant number, since it is smaller than the sum of its proper divisors (9311742).

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

6021378 is a wasteful number, since it uses less digits than its factorization.

6021378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 6021378 is about 2453.8496286448. The cubic root of 6021378 is about 181.9276168308.

The spelling of 6021378 in words is "six million, twenty-one thousand, three hundred seventy-eight".