3969740 has 24 divisors (see below), whose sum is σ = 8453760. Its totient is φ = 1565568.

The previous prime is 3969737. The next prime is 3969751. The reversal of 3969740 is 479693.

3969740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3969694 and 3969703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (352240).

Almost surely, 2^3969740 is an apocalyptic number.

It is an amenable number.

3969740 is an abundant number, since it is smaller than the sum of its proper divisors (4484020).

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

3969740 is a wasteful number, since it uses less digits than its factorization.

3969740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3969740 is about 1992.4206383191. The cubic root of 3969740 is about 158.3388019041.

The spelling of 3969740 in words is "three million, nine hundred sixty-nine thousand, seven hundred forty".