3967084728 has 32 divisors (see below), whose sum is σ = 11019680400. Its totient is φ = 1322361504.

The previous prime is 3967084711. The next prime is 3967084733. The reversal of 3967084728 is 8274807693.

It is a super-2 number, since 2×3967084728² = 31475522478261667968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 9182851 + ... + 9183282.

Almost surely, 2^3967084728 is an apocalyptic number.

It is an amenable number.

3967084728 is an abundant number, since it is smaller than the sum of its proper divisors (7052595672).

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

3967084728 is a wasteful number, since it uses less digits than its factorization.

3967084728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366148 (or 18366138 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 3967084728 is about 62984.7975943402. The cubic root of 3967084728 is about 1583.0349091297.

The spelling of 3967084728 in words is "three billion, nine hundred sixty-seven million, eighty-four thousand, seven hundred twenty-eight".