3842730 has 24 divisors (see below), whose sum is σ = 9991332. Its totient is φ = 1024704.

The previous prime is 3842717. The next prime is 3842737. The reversal of 3842730 is 372483.

3842730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3560769 + 281961 = 1887^2 + 531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3842694 and 3842703.

It is not an unprimeable number, because it can be changed into a prime (3842737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21259 + ... + 21438.

Almost surely, 2^3842730 is an apocalyptic number.

3842730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3842730 is an abundant number, since it is smaller than the sum of its proper divisors (6148602).

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

3842730 is a wasteful number, since it uses less digits than its factorization.

3842730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42710 (or 42707 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3842730 is about 1960.2882441111. The cubic root of 3842730 is about 156.6318065389.

The spelling of 3842730 in words is "three million, eight hundred forty-two thousand, seven hundred thirty".