3686698 has 4 divisors (see below), whose sum is σ = 5530050. Its totient is φ = 1843348.

The previous prime is 3686677. The next prime is 3686701. The reversal of 3686698 is 8966863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8966863 = 761 ⋅11783.

It can be written as a sum of positive squares in only one way, i.e., 3143529 + 543169 = 1773^2 + 737^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921673 + ... + 921676.

Almost surely, 2^3686698 is an apocalyptic number.

3686698 is a deficient number, since it is larger than the sum of its proper divisors (1843352).

3686698 is a wasteful number, since it uses less digits than its factorization.

3686698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843351.

The product of its digits is 373248, while the sum is 46.

The square root of 3686698 is about 1920.0776025984. The cubic root of 3686698 is about 154.4824639802.

The spelling of 3686698 in words is "three million, six hundred eighty-six thousand, six hundred ninety-eight".