3940851 has 8 divisors (see below), whose sum is σ = 5287360. Its totient is φ = 2610792.

The previous prime is 3940841. The next prime is 3940891. The reversal of 3940851 is 1580493.

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

It is not a de Polignac number, because 3940851 - 2¹³ = 3932659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940801) 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, 3541 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (660920).

Almost surely, 2^3940851 is an apocalyptic number.

3940851 is a deficient number, since it is larger than the sum of its proper divisors (1346509).

3940851 is a wasteful number, since it uses less digits than its factorization.

3940851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3940851 is about 1985.1576763572. The cubic root of 3940851 is about 157.9537732629.

The spelling of 3940851 in words is "three million, nine hundred forty thousand, eight hundred fifty-one".