3612859 has 4 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 3609016.

The previous prime is 3612853. The next prime is 3612883. The reversal of 3612859 is 9582163.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9582163 = 43 ⋅222841.

It is a cyclic number.

It is not a de Polignac number, because 3612859 - 2¹¹ = 3610811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3612853) 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, 534 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 2^3612859 is an apocalyptic number.

3612859 is a deficient number, since it is larger than the sum of its proper divisors (3845).

3612859 is a wasteful number, since it uses less digits than its factorization.

3612859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its digits is 12960, while the sum is 34.

The square root of 3612859 is about 1900.7522195173. The cubic root of 3612859 is about 153.4441506195. Note that the first 3 decimals are identical.

The spelling of 3612859 in words is "three million, six hundred twelve thousand, eight hundred fifty-nine".