3981267962 has 16 divisors (see below), whose sum is σ = 6940710720. Its totient is φ = 1677337728.

The previous prime is 3981267959. The next prime is 3981268003. The reversal of 3981267962 is 2697621893.

It is a happy 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, 2409143 + ... + 2410794.

It is an arithmetic number, because the mean of its divisors is an integer number (433794420).

Almost surely, 2^3981267962 is an apocalyptic number.

3981267962 is a deficient number, since it is larger than the sum of its proper divisors (2959442758).

3981267962 is a wasteful number, since it uses less digits than its factorization.

3981267962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820005.

The product of its digits is 1959552, while the sum is 53.

The square root of 3981267962 is about 63097.2896565296. The cubic root of 3981267962 is about 1584.9192357352.

The spelling of 3981267962 in words is "three billion, nine hundred eighty-one million, two hundred sixty-seven thousand, nine hundred sixty-two".