3685497 has 16 divisors (see below), whose sum is σ = 5296128. Its totient is φ = 2273040.

The previous prime is 3685489. The next prime is 3685501. The reversal of 3685497 is 7945863.

It is a happy number.

It is not a de Polignac number, because 3685497 - 2³ = 3685489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3685417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278 + ... + 3000.

It is an arithmetic number, because the mean of its divisors is an integer number (331008).

Almost surely, 2^3685497 is an apocalyptic number.

It is an amenable number.

3685497 is a deficient number, since it is larger than the sum of its proper divisors (1610631).

3685497 is a wasteful number, since it uses less digits than its factorization.

3685497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 181440, while the sum is 42.

The square root of 3685497 is about 1919.7648293476. The cubic root of 3685497 is about 154.4656871256.

The spelling of 3685497 in words is "three million, six hundred eighty-five thousand, four hundred ninety-seven".