3485861 has 4 divisors (see below), whose sum is σ = 3570924. Its totient is φ = 3400800.

The previous prime is 3485851. The next prime is 3485869. The reversal of 3485861 is 1685843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1685843 = 47 ⋅35869.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 2869636 = 785^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 3485861 - 2¹⁰ = 3484837 is a prime.

It is a super-2 number, since 2×3485861² = 24302453822642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3485869) 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, 42470 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (892731).

Almost surely, 2^3485861 is an apocalyptic number.

It is an amenable number.

3485861 is a deficient number, since it is larger than the sum of its proper divisors (85063).

3485861 is an equidigital number, since it uses as much as digits as its factorization.

3485861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85062.

The product of its digits is 23040, while the sum is 35.

The square root of 3485861 is about 1867.0460626348. The cubic root of 3485861 is about 151.6247234713.

The spelling of 3485861 in words is "three million, four hundred eighty-five thousand, eight hundred sixty-one".