6349993 has 16 divisors (see below), whose sum is σ = 7378560. Its totient is φ = 5412096.

The previous prime is 6349969. The next prime is 6349997. The reversal of 6349993 is 3999436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6349993 - 2⁵ = 6349961 is a prime.

It is a super-2 number, since 2×6349993² = 80644822200098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6349997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12796 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 2^6349993 is an apocalyptic number.

It is an amenable number.

6349993 is a deficient number, since it is larger than the sum of its proper divisors (1028567).

6349993 is a wasteful number, since it uses less digits than its factorization.

6349993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 157464, while the sum is 43.

The square root of 6349993 is about 2519.9192447378. The cubic root of 6349993 is about 185.1787218579.

The spelling of 6349993 in words is "six million, three hundred forty-nine thousand, nine hundred ninety-three".