3967494738 has 16 divisors (see below), whose sum is σ = 7953842496. Its totient is φ = 1319356080.

The previous prime is 3967494721. The next prime is 3967494743. The reversal of 3967494738 is 8374947693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782806 + ... + 787857.

It is an arithmetic number, because the mean of its divisors is an integer number (497115156).

Almost surely, 2^3967494738 is an apocalyptic number.

3967494738 is an abundant number, since it is smaller than the sum of its proper divisors (3986347758).

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

3967494738 is a wasteful number, since it uses less digits than its factorization.

3967494738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571089.

The product of its digits is 27433728, while the sum is 60.

The square root of 3967494738 is about 62988.0523432817. The cubic root of 3967494738 is about 1583.0894443723.

The spelling of 3967494738 in words is "three billion, nine hundred sixty-seven million, four hundred ninety-four thousand, seven hundred thirty-eight".