3920416 has 24 divisors (see below), whose sum is σ = 7801164. Its totient is φ = 1939200.

The previous prime is 3920401. The next prime is 3920417. The reversal of 3920416 is 6140293.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 16 = 1980^2 + 4^2 .

It is a super-2 number, since 2×3920416² = 30739323226112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3920417) 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, 2626 + ... + 3838.

Almost surely, 2^3920416 is an apocalyptic number.

It is an amenable number.

3920416 is a deficient number, since it is larger than the sum of its proper divisors (3880748).

3920416 is a wasteful number, since it uses less digits than its factorization.

3920416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3920416 is about 1980.0040403999. The cubic root of 3920416 is about 157.6802806734.

It can be divided in two parts, 39204 and 16, that multiplied together give a square (627264 = 792²).

The spelling of 3920416 in words is "three million, nine hundred twenty thousand, four hundred sixteen".