3840130 has 48 divisors (see below), whose sum is σ = 8532216. Its totient is φ = 1236480.

The previous prime is 3840127. The next prime is 3840139. The reversal of 3840130 is 310483.

It can be written as a sum of positive squares in 4 ways, for example, as 3236401 + 603729 = 1799^2 + 777^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3840098 and 3840107.

It is not an unprimeable number, because it can be changed into a prime (3840139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8100 + ... + 8560.

Almost surely, 2^3840130 is an apocalyptic number.

3840130 is an abundant number, since it is smaller than the sum of its proper divisors (4692086).

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

3840130 is a wasteful number, since it uses less digits than its factorization.

3840130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3840130 is about 1959.6249641194. The cubic root of 3840130 is about 156.5964727546.

The spelling of 3840130 in words is "three million, eight hundred forty thousand, one hundred thirty".