6280981 has 8 divisors (see below), whose sum is σ = 7210944. Its totient is φ = 5359200.

The previous prime is 6280979. The next prime is 6280991. The reversal of 6280981 is 1890826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6280981 - 2¹ = 6280979 is a prime.

It is a super-2 number, since 2×6280981² = 78901444644722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6280991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (901368).

Almost surely, 2^6280981 is an apocalyptic number.

It is an amenable number.

6280981 is a deficient number, since it is larger than the sum of its proper divisors (929963).

6280981 is a wasteful number, since it uses less digits than its factorization.

6280981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 6280981 is about 2506.1885403936. The cubic root of 6280981 is about 184.5054333586.

The spelling of 6280981 in words is "six million, two hundred eighty thousand, nine hundred eighty-one".