3956387 has 4 divisors (see below), whose sum is σ = 4048440. Its totient is φ = 3864336.

The previous prime is 3956353. The next prime is 3956401. The reversal of 3956387 is 7836593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3956387 - 2¹⁶ = 3890851 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 9³ + 5 + 6⁸ + 3¹⁰ + 8⁷ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3956327) 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 3 ways as a sum of consecutive naturals, for example, 45962 + ... + 46047.

It is an arithmetic number, because the mean of its divisors is an integer number (1012110).

Almost surely, 2^3956387 is an apocalyptic number.

3956387 is a deficient number, since it is larger than the sum of its proper divisors (92053).

3956387 is an equidigital number, since it uses as much as digits as its factorization.

3956387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92052.

The product of its digits is 136080, while the sum is 41.

The square root of 3956387 is about 1989.0668666488. The cubic root of 3956387 is about 158.1610679231.

The spelling of 3956387 in words is "three million, nine hundred fifty-six thousand, three hundred eighty-seven".