3920236 has 12 divisors (see below), whose sum is σ = 6915328. Its totient is φ = 1944432.

The previous prime is 3920233. The next prime is 3920239. The reversal of 3920236 is 6320293.

It is an interprime number because it is at equal distance from previous prime (3920233) and next prime (3920239).

It is a self number, because there is not a number n which added to its sum of digits gives 3920236.

It is not an unprimeable number, because it can be changed into a prime (3920233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351 + ... + 4366.

Almost surely, 2^3920236 is an apocalyptic number.

It is an amenable number.

3920236 is a deficient number, since it is larger than the sum of its proper divisors (2995092).

3920236 is a wasteful number, since it uses less digits than its factorization.

3920236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848 (or 7846 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3920236 is about 1979.9585854255. The cubic root of 3920236 is about 157.6778674188.

The spelling of 3920236 in words is "three million, nine hundred twenty thousand, two hundred thirty-six".