3956915 has 8 divisors (see below), whose sum is σ = 4759728. Its totient is φ = 3157920.

The previous prime is 3956881. The next prime is 3956917. The reversal of 3956915 is 5196593.

3956915 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 3956915 - 2¹⁶ = 3891379 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956917) 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, 2420 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (594966).

Almost surely, 2^3956915 is an apocalyptic number.

3956915 is a deficient number, since it is larger than the sum of its proper divisors (802813).

3956915 is a wasteful number, since it uses less digits than its factorization.

3956915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its digits is 36450, while the sum is 38.

The square root of 3956915 is about 1989.1995877739. The cubic root of 3956915 is about 158.1681034102.

The spelling of 3956915 in words is "three million, nine hundred fifty-six thousand, nine hundred fifteen".