3685802 has 4 divisors (see below), whose sum is σ = 5528706. Its totient is φ = 1842900.

The previous prime is 3685783. The next prime is 3685811. The reversal of 3685802 is 2085863.

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., 2819041 + 866761 = 1679^2 + 931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921449 + ... + 921452.

Almost surely, 2^3685802 is an apocalyptic number.

3685802 is a deficient number, since it is larger than the sum of its proper divisors (1842904).

3685802 is a wasteful number, since it uses less digits than its factorization.

3685802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842903.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3685802 is about 1919.8442645173. The cubic root of 3685802 is about 154.4699480376.

It can be divided in two parts, 3 and 685802, that multiplied together give a triangular number (2057406 = T₂₀₂₈).

The spelling of 3685802 in words is "three million, six hundred eighty-five thousand, eight hundred two".