6493442 has 4 divisors (see below), whose sum is σ = 9740166. Its totient is φ = 3246720.

The previous prime is 6493441. The next prime is 6493451. The reversal of 6493442 is 2443946.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6056521 + 436921 = 2461^2 + 661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6493399 and 6493408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623359 + ... + 1623362.

Almost surely, 2^6493442 is an apocalyptic number.

6493442 is a deficient number, since it is larger than the sum of its proper divisors (3246724).

6493442 is a wasteful number, since it uses less digits than its factorization.

6493442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246723.

The product of its digits is 20736, while the sum is 32.

The square root of 6493442 is about 2548.2233026169. The cubic root of 6493442 is about 186.5627731105.

The spelling of 6493442 in words is "six million, four hundred ninety-three thousand, four hundred forty-two".