3945908 has 6 divisors (see below), whose sum is σ = 6905346. Its totient is φ = 1972952.

The previous prime is 3945883. The next prime is 3945913. The reversal of 3945908 is 8095493.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 478864 = 1862^2 + 692^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493235 + ... + 493242.

It is an arithmetic number, because the mean of its divisors is an integer number (1150891).

Almost surely, 2^3945908 is an apocalyptic number.

It is an amenable number.

3945908 is a deficient number, since it is larger than the sum of its proper divisors (2959438).

3945908 is a wasteful number, since it uses less digits than its factorization.

3945908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986481 (or 986479 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3945908 is about 1986.4309703586. The cubic root of 3945908 is about 158.0213078137.

The spelling of 3945908 in words is "three million, nine hundred forty-five thousand, nine hundred eight".