3913385 has 12 divisors (see below), whose sum is σ = 5463108. Its totient is φ = 2683296.

The previous prime is 3913369. The next prime is 3913391. The reversal of 3913385 is 5833193.

It can be written as a sum of positive squares in 2 ways, for example, as 2181529 + 1731856 = 1477^2 + 1316^2 .

It is not a de Polignac number, because 3913385 - 2⁴ = 3913369 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7742 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (455259).

Almost surely, 2^3913385 is an apocalyptic number.

3913385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3913385 is a deficient number, since it is larger than the sum of its proper divisors (1549723).

3913385 is a wasteful number, since it uses less digits than its factorization.

3913385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15992 (or 15985 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 3913385 is about 1978.2277421975. The cubic root of 3913385 is about 157.5859613054.

The spelling of 3913385 in words is "three million, nine hundred thirteen thousand, three hundred eighty-five".