3951913 has 8 divisors (see below), whose sum is σ = 4537728. Its totient is φ = 3371424.

The previous prime is 3951907. The next prime is 3951923. The reversal of 3951913 is 3191593.

3951913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3951913 - 2⁵ = 3951881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3951923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (567216).

Almost surely, 2^3951913 is an apocalyptic number.

It is an amenable number.

3951913 is a deficient number, since it is larger than the sum of its proper divisors (585815).

3951913 is a wasteful number, since it uses less digits than its factorization.

3951913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663.

The product of its digits is 3645, while the sum is 31.

The square root of 3951913 is about 1987.9419005595. The cubic root of 3951913 is about 158.1014276911.

The spelling of 3951913 in words is "three million, nine hundred fifty-one thousand, nine hundred thirteen".