3940473 has 8 divisors (see below), whose sum is σ = 5263200. Its totient is φ = 2622368.

The previous prime is 3940457. The next prime is 3940483. The reversal of 3940473 is 3740493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3940473 - 2⁴ = 3940457 is a prime.

It is a Curzon number.

3940473 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3940473.

It is not an unprimeable number, because it can be changed into a prime (3940483) 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, 2413 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (657900).

Almost surely, 2^3940473 is an apocalyptic number.

It is an amenable number.

3940473 is a deficient number, since it is larger than the sum of its proper divisors (1322727).

3940473 is a wasteful number, since it uses less digits than its factorization.

3940473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3940473 is about 1985.0624675309. The cubic root of 3940473 is about 157.9487228786.

The spelling of 3940473 in words is "three million, nine hundred forty thousand, four hundred seventy-three".