3706981 has 8 divisors (see below), whose sum is σ = 3801600. Its totient is φ = 3613680.

The previous prime is 3706961. The next prime is 3707021. The reversal of 3706981 is 1896073.

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 3706981 - 2¹³ = 3698789 is a prime.

It is a super-2 number, since 2×3706981² = 27483416268722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706921) 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, 7500 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (475200).

Almost surely, 2^3706981 is an apocalyptic number.

It is an amenable number.

3706981 is a deficient number, since it is larger than the sum of its proper divisors (94619).

3706981 is a wasteful number, since it uses less digits than its factorization.

3706981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3706981 is about 1925.3521755772. The cubic root of 3706981 is about 154.7652499189.

The spelling of 3706981 in words is "three million, seven hundred six thousand, nine hundred eighty-one".