3784830 has 64 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 849024.

The previous prime is 3784813. The next prime is 3784849. The reversal of 3784830 is 384873.

It is a junction number, because it is equal to n+sod(n) for n = 3784791 and 3784800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13936 + ... + 14204.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

Almost surely, 2^3784830 is an apocalyptic number.

3784830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3784830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680).

3784830 is an abundant number, since it is smaller than the sum of its proper divisors (6790530).

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

3784830 is a wasteful number, since it uses less digits than its factorization.

3784830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3784830 is about 1945.4639549475. The cubic root of 3784830 is about 155.8411433518.

The spelling of 3784830 in words is "three million, seven hundred eighty-four thousand, eight hundred thirty".