6437944 has 8 divisors (see below), whose sum is σ = 12071160. Its totient is φ = 3218968.

The previous prime is 6437933. The next prime is 6437957. The reversal of 6437944 is 4497346.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402364 + ... + 402379.

It is an arithmetic number, because the mean of its divisors is an integer number (1508895).

Almost surely, 2^6437944 is an apocalyptic number.

It is an amenable number.

6437944 is a deficient number, since it is larger than the sum of its proper divisors (5633216).

6437944 is a wasteful number, since it uses less digits than its factorization.

6437944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804749 (or 804745 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 6437944 is about 2537.3103870043. The cubic root of 6437944 is about 186.0297481999.

It can be divided in two parts, 6437 and 944, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6437944 in words is "six million, four hundred thirty-seven thousand, nine hundred forty-four".