3687022 has 4 divisors (see below), whose sum is σ = 5530536. Its totient is φ = 1843510.

The previous prime is 3686999. The next prime is 3687029. The reversal of 3687022 is 2207863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2207863 = 7 ⋅315409.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921754 + ... + 921757.

It is an arithmetic number, because the mean of its divisors is an integer number (1382634).

Almost surely, 2^3687022 is an apocalyptic number.

3687022 is a deficient number, since it is larger than the sum of its proper divisors (1843514).

3687022 is a wasteful number, since it uses less digits than its factorization.

3687022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843513.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3687022 is about 1920.1619723346. The cubic root of 3687022 is about 154.4869893353.

The spelling of 3687022 in words is "three million, six hundred eighty-seven thousand, twenty-two".