3426861 has 4 divisors (see below), whose sum is σ = 4569152. Its totient is φ = 2284572.

The previous prime is 3426853. The next prime is 3426887. The reversal of 3426861 is 1686243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3426861 - 2³ = 3426853 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426811) 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, 571141 + ... + 571146.

It is an arithmetic number, because the mean of its divisors is an integer number (1142288).

Almost surely, 2^3426861 is an apocalyptic number.

It is an amenable number.

3426861 is a deficient number, since it is larger than the sum of its proper divisors (1142291).

3426861 is a wasteful number, since it uses less digits than its factorization.

3426861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142290.

The product of its digits is 6912, while the sum is 30.

The square root of 3426861 is about 1851.1782734248. The cubic root of 3426861 is about 150.7644090196.

The spelling of 3426861 in words is "three million, four hundred twenty-six thousand, eight hundred sixty-one".