6342981 has 4 divisors (see below), whose sum is σ = 8457312. Its totient is φ = 4228652.

The previous prime is 6342977. The next prime is 6342983. The reversal of 6342981 is 1892436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6342981 - 2² = 6342977 is a prime.

It is a super-2 number, since 2×6342981² = 80466815932722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6342983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057161 + ... + 1057166.

It is an arithmetic number, because the mean of its divisors is an integer number (2114328).

Almost surely, 2^6342981 is an apocalyptic number.

It is an amenable number.

6342981 is a deficient number, since it is larger than the sum of its proper divisors (2114331).

6342981 is a wasteful number, since it uses less digits than its factorization.

6342981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114330.

The product of its digits is 10368, while the sum is 33.

The square root of 6342981 is about 2518.5275460078. The cubic root of 6342981 is about 185.1105353555.

The spelling of 6342981 in words is "six million, three hundred forty-two thousand, nine hundred eighty-one".