3685028 has 6 divisors (see below), whose sum is σ = 6448806. Its totient is φ = 1842512.

The previous prime is 3685027. The next prime is 3685049. The reversal of 3685028 is 8205863.

It can be written as a sum of positive squares in only one way, i.e., 2334784 + 1350244 = 1528^2 + 1162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3684985 and 3685003.

It is not an unprimeable number, because it can be changed into a prime (3685021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460625 + ... + 460632.

It is an arithmetic number, because the mean of its divisors is an integer number (1074801).

Almost surely, 2^3685028 is an apocalyptic number.

It is an amenable number.

3685028 is a deficient number, since it is larger than the sum of its proper divisors (2763778).

3685028 is a wasteful number, since it uses less digits than its factorization.

3685028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921261 (or 921259 counting only the distinct ones).

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

The square root of 3685028 is about 1919.6426750830. The cubic root of 3685028 is about 154.4591346416.

The spelling of 3685028 in words is "three million, six hundred eighty-five thousand, twenty-eight".