3960002491 has 8 divisors (see below), whose sum is σ = 4199496624. Its totient is φ = 3721236480.

The previous prime is 3960002479. The next prime is 3960002509. The reversal of 3960002491 is 1942000693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3960002491 - 2⁹ = 3960001979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3960002411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170805 + ... + 192598.

It is an arithmetic number, because the mean of its divisors is an integer number (524937078).

Almost surely, 2^3960002491 is an apocalyptic number.

3960002491 is a deficient number, since it is larger than the sum of its proper divisors (239494133).

3960002491 is a wasteful number, since it uses less digits than its factorization.

3960002491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364061.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3960002491 is about 62928.5506825002. The cubic root of 3960002491 is about 1582.0923104262.

The spelling of 3960002491 in words is "three billion, nine hundred sixty million, two thousand, four hundred ninety-one".