3612863 has 4 divisors (see below), whose sum is σ = 3769968. Its totient is φ = 3455760.

The previous prime is 3612853. The next prime is 3612883. The reversal of 3612863 is 3682163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3682163 = 1553 ⋅2371.

It is a cyclic number.

It is not a de Polignac number, because 3612863 - 2⁶ = 3612799 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 (3612853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78518 + ... + 78563.

It is an arithmetic number, because the mean of its divisors is an integer number (942492).

Almost surely, 2^3612863 is an apocalyptic number.

3612863 is a deficient number, since it is larger than the sum of its proper divisors (157105).

3612863 is a wasteful number, since it uses less digits than its factorization.

3612863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157104.

The product of its digits is 5184, while the sum is 29.

The square root of 3612863 is about 1900.7532717320. The cubic root of 3612863 is about 153.4442072484. Note that the first 3 decimals are identical.

The spelling of 3612863 in words is "three million, six hundred twelve thousand, eight hundred sixty-three".