3481605 has 12 divisors (see below), whose sum is σ = 6034860. Its totient is φ = 1856832.

The previous prime is 3481573. The next prime is 3481633. The reversal of 3481605 is 5061843.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 3038049 = 666^2 + 1743^2 .

It is not a de Polignac number, because 3481605 - 2⁵ = 3481573 is a prime.

3481605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38640 + ... + 38729.

It is an arithmetic number, because the mean of its divisors is an integer number (502905).

Almost surely, 2^3481605 is an apocalyptic number.

It is an amenable number.

3481605 is a deficient number, since it is larger than the sum of its proper divisors (2553255).

3481605 is a wasteful number, since it uses less digits than its factorization.

3481605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77380 (or 77377 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3481605 is about 1865.9059461827. The cubic root of 3481605 is about 151.5629905040.

It can be divided in two parts, 348 and 1605, that added together give a triangular number (1953 = T₆₂).

The spelling of 3481605 in words is "three million, four hundred eighty-one thousand, six hundred five".