3940993 has 8 divisors (see below), whose sum is σ = 4609088. Its totient is φ = 3299184.

The previous prime is 3940987. The next prime is 3941011. The reversal of 3940993 is 3990493.

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

It is not a de Polignac number, because 3940993 - 2¹³ = 3932801 is a prime.

It is a Duffinian 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, 6246 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (576136).

Almost surely, 2^3940993 is an apocalyptic number.

It is an amenable number.

3940993 is a deficient number, since it is larger than the sum of its proper divisors (668095).

3940993 is a wasteful number, since it uses less digits than its factorization.

3940993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3940993 is about 1985.1934414560. The cubic root of 3940993 is about 157.9556704137.

The spelling of 3940993 in words is "three million, nine hundred forty thousand, nine hundred ninety-three".