3671859 has 4 divisors (see below), whose sum is σ = 4895816. Its totient is φ = 2447904.

The previous prime is 3671851. The next prime is 3671861. The reversal of 3671859 is 9581763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9581763 = 3 ⋅3193921.

It is not a de Polignac number, because 3671859 - 2³ = 3671851 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3671851) 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, 611974 + ... + 611979.

It is an arithmetic number, because the mean of its divisors is an integer number (1223954).

Almost surely, 2^3671859 is an apocalyptic number.

3671859 is a deficient number, since it is larger than the sum of its proper divisors (1223957).

3671859 is a wasteful number, since it uses less digits than its factorization.

3671859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223956.

The product of its digits is 45360, while the sum is 39.

The square root of 3671859 is about 1916.2095396903. The cubic root of 3671859 is about 154.2749207372.

The spelling of 3671859 in words is "three million, six hundred seventy-one thousand, eight hundred fifty-nine".