3690220 has 12 divisors (see below), whose sum is σ = 7749504. Its totient is φ = 1476080.

The previous prime is 3690191. The next prime is 3690227. The reversal of 3690220 is 220963.

It is a junction number, because it is equal to n+sod(n) for n = 3690191 and 3690200.

It is not an unprimeable number, because it can be changed into a prime (3690227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92236 + ... + 92275.

It is an arithmetic number, because the mean of its divisors is an integer number (645792).

Almost surely, 2^3690220 is an apocalyptic number.

It is an amenable number.

3690220 is an abundant number, since it is smaller than the sum of its proper divisors (4059284).

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

3690220 is a wasteful number, since it uses less digits than its factorization.

3690220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184520 (or 184518 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3690220 is about 1920.9945340890. The cubic root of 3690220 is about 154.5316420496.

The spelling of 3690220 in words is "three million, six hundred ninety thousand, two hundred twenty".