3967705240 has 32 divisors (see below), whose sum is σ = 8947260000. Its totient is φ = 1583540224.

The previous prime is 3967705237. The next prime is 3967705277. The reversal of 3967705240 is 425077693.

3967705240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 92500 + ... + 128419.

It is an arithmetic number, because the mean of its divisors is an integer number (279601875).

Almost surely, 2^3967705240 is an apocalyptic number.

It is an amenable number.

3967705240 is an abundant number, since it is smaller than the sum of its proper divisors (4979554760).

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

3967705240 is a wasteful number, since it uses less digits than its factorization.

3967705240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221379 (or 221375 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 3967705240 is about 62989.7232888032. The cubic root of 3967705240 is about 1583.1174416874.

The spelling of 3967705240 in words is "three billion, nine hundred sixty-seven million, seven hundred five thousand, two hundred forty".