3969619240 has 32 divisors (see below), whose sum is σ = 8941259880. Its totient is φ = 1586138112.

The previous prime is 3969619217. The next prime is 3969619253. The reversal of 3969619240 is 429169693.

3969619240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2376172516 + 1593446724 = 48746^2 + 39918^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15477 + ... + 90436.

Almost surely, 2^3969619240 is an apocalyptic number.

It is an amenable number.

3969619240 is an abundant number, since it is smaller than the sum of its proper divisors (4971640640).

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

3969619240 is a wasteful number, since it uses less digits than its factorization.

3969619240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106861 (or 106857 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 3969619240 is about 63004.9144114965. The cubic root of 3969619240 is about 1583.3719632557.

The spelling of 3969619240 in words is "three billion, nine hundred sixty-nine million, six hundred nineteen thousand, two hundred forty".