3820266 has 24 divisors (see below), whose sum is σ = 8314020. Its totient is φ = 1267776.

The previous prime is 3820259. The next prime is 3820279. The reversal of 3820266 is 6620283.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 99225 = 1929^2 + 315^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6430 + ... + 6998.

Almost surely, 2^3820266 is an apocalyptic number.

3820266 is an abundant number, since it is smaller than the sum of its proper divisors (4493754).

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

3820266 is a wasteful number, since it uses less digits than its factorization.

3820266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3820266 is about 1954.5500761045. The cubic root of 3820266 is about 156.3259948193.

The spelling of 3820266 in words is "three million, eight hundred twenty thousand, two hundred sixty-six".