3670681 has 8 divisors (see below), whose sum is σ = 4229120. Its totient is φ = 3120768.

The previous prime is 3670673. The next prime is 3670687. The reversal of 3670681 is 1860763.

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

It is not a de Polignac number, because 3670681 - 2³ = 3670673 is a prime.

It is a super-2 number, since 2×3670681² = 26947798007522, which contains 22 as substring.

3670681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3670687) 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, 1176 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (528640).

Almost surely, 2^3670681 is an apocalyptic number.

It is an amenable number.

3670681 is a deficient number, since it is larger than the sum of its proper divisors (558439).

3670681 is a wasteful number, since it uses less digits than its factorization.

3670681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3670681 is about 1915.9021373755. The cubic root of 3670681 is about 154.2584208938.

The spelling of 3670681 in words is "three million, six hundred seventy thousand, six hundred eighty-one".