3945377 has 4 divisors (see below), whose sum is σ = 4177476. Its totient is φ = 3713280.

The previous prime is 3945367. The next prime is 3945391. The reversal of 3945377 is 7735493.

3945377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3530641 + 414736 = 1879^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 3945377 - 2⁶ = 3945313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3945377.

It is not an unprimeable number, because it can be changed into a prime (3945367) 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 3 ways as a sum of consecutive naturals, for example, 116024 + ... + 116057.

It is an arithmetic number, because the mean of its divisors is an integer number (1044369).

Almost surely, 2^3945377 is an apocalyptic number.

It is an amenable number.

3945377 is a deficient number, since it is larger than the sum of its proper divisors (232099).

3945377 is a wasteful number, since it uses less digits than its factorization.

3945377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232098.

The product of its digits is 79380, while the sum is 38.

The square root of 3945377 is about 1986.2973090653. The cubic root of 3945377 is about 158.0142191978.

The spelling of 3945377 in words is "three million, nine hundred forty-five thousand, three hundred seventy-seven".