3840273 has 6 divisors (see below), whose sum is σ = 5547074. Its totient is φ = 2560176.

The previous prime is 3840271. The next prime is 3840289. The reversal of 3840273 is 3720483.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 199809 = 1908^2 + 447^2 .

It is not a de Polignac number, because 3840273 - 2¹ = 3840271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213340 + ... + 213357.

Almost surely, 2^3840273 is an apocalyptic number.

It is an amenable number.

3840273 is a deficient number, since it is larger than the sum of its proper divisors (1706801).

3840273 is a wasteful number, since it uses less digits than its factorization.

3840273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426703 (or 426700 counting only the distinct ones).

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

The square root of 3840273 is about 1959.6614503531. The cubic root of 3840273 is about 156.5984165271.

The spelling of 3840273 in words is "three million, eight hundred forty thousand, two hundred seventy-three".