3945910 has 16 divisors (see below), whose sum is σ = 7142256. Its totient is φ = 1569568.

The previous prime is 3945883. The next prime is 3945913. The reversal of 3945910 is 195493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (446391).

Almost surely, 2^3945910 is an apocalyptic number.

3945910 is a deficient number, since it is larger than the sum of its proper divisors (3196346).

3945910 is a wasteful number, since it uses less digits than its factorization.

3945910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 3945910 is about 1986.4314737740. The cubic root of 3945910 is about 158.0213345116.

The spelling of 3945910 in words is "three million, nine hundred forty-five thousand, nine hundred ten".