3681914 has 4 divisors (see below), whose sum is σ = 5522874. Its totient is φ = 1840956.

The previous prime is 3681889. The next prime is 3681917. The reversal of 3681914 is 4191863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2301289 + 1380625 = 1517^2 + 1175^2 .

It is not an unprimeable number, because it can be changed into a prime (3681917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920477 + ... + 920480.

Almost surely, 2^3681914 is an apocalyptic number.

3681914 is a deficient number, since it is larger than the sum of its proper divisors (1840960).

3681914 is a wasteful number, since it uses less digits than its factorization.

3681914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840959.

The product of its digits is 5184, while the sum is 32.

The square root of 3681914 is about 1918.8314152108. The cubic root of 3681914 is about 154.4156142764.

The spelling of 3681914 in words is "three million, six hundred eighty-one thousand, nine hundred fourteen".