6021387 has 12 divisors (see below), whose sum is σ = 8718840. Its totient is φ = 4004448.

The previous prime is 6021373. The next prime is 6021397. The reversal of 6021387 is 7831206.

6021387 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6021387 - 2¹¹ = 6019339 is a prime.

6021387 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6021387.

It is not an unprimeable number, because it can be changed into a prime (6021397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6868 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (726570).

Almost surely, 2^6021387 is an apocalyptic number.

6021387 is a deficient number, since it is larger than the sum of its proper divisors (2697453).

6021387 is a wasteful number, since it uses less digits than its factorization.

6021387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1639 counting only the distinct ones).

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

The square root of 6021387 is about 2453.8514624973. The cubic root of 6021387 is about 181.9277074716.

The spelling of 6021387 in words is "six million, twenty-one thousand, three hundred eighty-seven".