3671694 has 72 divisors (see below), whose sum is σ = 9249552. Its totient is φ = 1048320.

The previous prime is 3671669. The next prime is 3671761. The reversal of 3671694 is 4961763.

3671694 = 2² + 3² + ... + 222².

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51679 + ... + 51749.

It is an arithmetic number, because the mean of its divisors is an integer number (128466).

Almost surely, 2^3671694 is an apocalyptic number.

3671694 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4624776).

3671694 is an abundant number, since it is smaller than the sum of its proper divisors (5577858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3671694 is a wasteful number, since it uses less digits than its factorization.

3671694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3671694 is about 1916.1664854600. The cubic root of 3671694 is about 154.2726098511.

The spelling of 3671694 in words is "three million, six hundred seventy-one thousand, six hundred ninety-four".