3694866 has 16 divisors (see below), whose sum is σ = 8445504. Its totient is φ = 1055664.

The previous prime is 3694843. The next prime is 3694877. The reversal of 3694866 is 6684963.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 87973 = 3694866 / (3 + 6 + 9 + 4 + 8 + 6 + 6).

It is a d-powerful number, because it can be written as 3¹³ + 6 + 9³ + 4³ + 8⁷ + 6⁴ + 6⁴ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43945 + ... + 44028.

It is an arithmetic number, because the mean of its divisors is an integer number (527844).

Almost surely, 2^3694866 is an apocalyptic number.

3694866 is an abundant number, since it is smaller than the sum of its proper divisors (4750638).

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

3694866 is a wasteful number, since it uses less digits than its factorization.

3694866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87985.

The product of its digits is 186624, while the sum is 42.

The square root of 3694866 is about 1922.2034231579. The cubic root of 3694866 is about 154.5964668132.

It can be divided in two parts, 3694 and 866, that added together give a triangular number (4560 = T₉₅).

The spelling of 3694866 in words is "three million, six hundred ninety-four thousand, eight hundred sixty-six".