3481861 has 4 divisors (see below), whose sum is σ = 3486924. Its totient is φ = 3476800.

The previous prime is 3481859. The next prime is 3481879. The reversal of 3481861 is 1681843.

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 2461761 + 1020100 = 1569^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481861 - 2¹ = 3481859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (871731).

Almost surely, 2^3481861 is an apocalyptic number.

It is an amenable number.

3481861 is a deficient number, since it is larger than the sum of its proper divisors (5063).

3481861 is an equidigital number, since it uses as much as digits as its factorization.

3481861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

The product of its digits is 4608, while the sum is 31.

The square root of 3481861 is about 1865.9745443065. The cubic root of 3481861 is about 151.5667051868.

It can be divided in two parts, 348 and 1861, that added together give a square (2209 = 47²).

The spelling of 3481861 in words is "three million, four hundred eighty-one thousand, eight hundred sixty-one".