3784739904 has 280 divisors, whose sum is σ = 12639787776. Its totient is φ = 1109376000.

The previous prime is 3784739891. The next prime is 3784739921. The reversal of 3784739904 is 4099374873.

It is a super-2 number, since 2×3784739904² = 28648512281859858432, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1766674 + ... + 1768814.

Almost surely, 2^3784739904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3784739904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6319893888).

3784739904 is an abundant number, since it is smaller than the sum of its proper divisors (8855047872).

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

3784739904 is a wasteful number, since it uses less digits than its factorization.

3784739904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 3784739904 is about 61520.2397914703. The cubic root of 3784739904 is about 1558.3990676825.

The spelling of 3784739904 in words is "three billion, seven hundred eighty-four million, seven hundred thirty-nine thousand, nine hundred four".