3913556 has 6 divisors (see below), whose sum is σ = 6848730. Its totient is φ = 1956776.

The previous prime is 3913543. The next prime is 3913561. The reversal of 3913556 is 6553193.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 48400 = 1966^2 + 220^2 .

It is a d-powerful number, because it can be written as 3⁶ + 9 + 1 + 3⁸ + 5⁹ + 5⁹ + 6 .

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, 489191 + ... + 489198.

It is an arithmetic number, because the mean of its divisors is an integer number (1141455).

Almost surely, 2^3913556 is an apocalyptic number.

It is an amenable number.

3913556 is a deficient number, since it is larger than the sum of its proper divisors (2935174).

3913556 is a wasteful number, since it uses less digits than its factorization.

3913556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978393 (or 978391 counting only the distinct ones).

The product of its digits is 12150, while the sum is 32.

The square root of 3913556 is about 1978.2709622294. The cubic root of 3913556 is about 157.5882565738.

The spelling of 3913556 in words is "three million, nine hundred thirteen thousand, five hundred fifty-six".