4206981 has 8 divisors (see below), whose sum is σ = 5715360. Its totient is φ = 2751632.

The previous prime is 4206971. The next prime is 4207003. The reversal of 4206981 is 1896024.

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

It is a cyclic number.

It is not a de Polignac number, because 4206981 - 2⁹ = 4206469 is a prime.

It is a super-2 number, since 2×4206981² = 35397378268722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13071 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^4206981 is an apocalyptic number.

It is an amenable number.

4206981 is a deficient number, since it is larger than the sum of its proper divisors (1508379).

4206981 is a wasteful number, since it uses less digits than its factorization.

4206981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4206981 is about 2051.0926356457. The cubic root of 4206981 is about 161.4322067509.

The spelling of 4206981 in words is "four million, two hundred six thousand, nine hundred eighty-one".