6354644 has 6 divisors (see below), whose sum is σ = 11120634. Its totient is φ = 3177320.

The previous prime is 6354643. The next prime is 6354703. The reversal of 6354644 is 4464536.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 2402500 = 1988^2 + 1550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6354644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6354641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794327 + ... + 794334.

It is an arithmetic number, because the mean of its divisors is an integer number (1853439).

Almost surely, 2^6354644 is an apocalyptic number.

It is an amenable number.

6354644 is a deficient number, since it is larger than the sum of its proper divisors (4765990).

6354644 is a wasteful number, since it uses less digits than its factorization.

6354644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588665 (or 1588663 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 6354644 is about 2520.8419228504. The cubic root of 6354644 is about 185.2239217001.

The spelling of 6354644 in words is "six million, three hundred fifty-four thousand, six hundred forty-four".