3784834840 has 32 divisors (see below), whose sum is σ = 8519168880. Its totient is φ = 1513348992.

The previous prime is 3784834819. The next prime is 3784834849. The reversal of 3784834840 is 484384873.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784834849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95242 + ... + 128998.

Almost surely, 2^3784834840 is an apocalyptic number.

It is an amenable number.

3784834840 is an abundant number, since it is smaller than the sum of its proper divisors (4734334040).

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

3784834840 is a wasteful number, since it uses less digits than its factorization.

3784834840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36571 (or 36567 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The square root of 3784834840 is about 61521.0113701002. The cubic root of 3784834840 is about 1558.4120978106.

The spelling of 3784834840 in words is "three billion, seven hundred eighty-four million, eight hundred thirty-four thousand, eight hundred forty".