3840530 has 16 divisors (see below), whose sum is σ = 7008984. Its totient is φ = 1514880.

The previous prime is 3840523. The next prime is 3840533. The reversal of 3840530 is 350483.

It can be written as a sum of positive squares in 4 ways, for example, as 3500641 + 339889 = 1871^2 + 583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3840496 and 3840505.

It is not an unprimeable number, because it can be changed into a prime (3840533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 3360.

Almost surely, 2^3840530 is an apocalyptic number.

3840530 is a deficient number, since it is larger than the sum of its proper divisors (3168454).

3840530 is a wasteful number, since it uses less digits than its factorization.

3840530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3840530 is about 1959.7270218069. The cubic root of 3840530 is about 156.6019097592.

The spelling of 3840530 in words is "three million, eight hundred forty thousand, five hundred thirty".