3940903 has 8 divisors (see below), whose sum is σ = 4055040. Its totient is φ = 3828120.

The previous prime is 3940891. The next prime is 3940931. The reversal of 3940903 is 3090493.

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 3940903 - 2¹⁷ = 3809831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940933) 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, 8758 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (506880).

Almost surely, 2^3940903 is an apocalyptic number.

3940903 is a deficient number, since it is larger than the sum of its proper divisors (114137).

3940903 is a wasteful number, since it uses less digits than its factorization.

3940903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3940903 is about 1985.1707735104. The cubic root of 3940903 is about 157.9544679995.

The spelling of 3940903 in words is "three million, nine hundred forty thousand, nine hundred three".