6602981 has 16 divisors (see below), whose sum is σ = 8519040. Its totient is φ = 4966080.

The previous prime is 6602963. The next prime is 6602993. The reversal of 6602981 is 1892066.

It is a de Polignac number, because none of the positive numbers 2^k-6602981 is a prime.

It is a super-2 number, since 2×6602981² = 87198716172722, which contains 22 as substring.

It is an Ulam number.

6602981 is a modest number, since divided by 2981 gives 66 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607981) 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, 755 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (532440).

Almost surely, 2^6602981 is an apocalyptic number.

It is an amenable number.

6602981 is a deficient number, since it is larger than the sum of its proper divisors (1916059).

6602981 is a wasteful number, since it uses less digits than its factorization.

6602981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6602981 is about 2569.6266265744. The cubic root of 6602981 is about 187.6059821576.

Subtracting from 6602981 its reverse (1892066), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 6602981 in words is "six million, six hundred two thousand, nine hundred eighty-one".