6021644 has 6 divisors (see below), whose sum is σ = 10537884. Its totient is φ = 3010820.

The previous prime is 6021641. The next prime is 6021649. The reversal of 6021644 is 4461206.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6021641) by changing a digit.

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 as a sum of consecutive naturals, namely, 752702 + ... + 752709.

It is an arithmetic number, because the mean of its divisors is an integer number (1756314).

Almost surely, 2^6021644 is an apocalyptic number.

It is an amenable number.

6021644 is a deficient number, since it is larger than the sum of its proper divisors (4516240).

6021644 is a wasteful number, since it uses less digits than its factorization.

6021644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505415 (or 1505413 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6021644 is about 2453.9038285964. The cubic root of 6021644 is about 181.9302957322.

The spelling of 6021644 in words is "six million, twenty-one thousand, six hundred forty-four".