5618915 has 8 divisors (see below), whose sum is σ = 6772128. Its totient is φ = 4475520.

The previous prime is 5618911. The next prime is 5618929. The reversal of 5618915 is 5198165.

5618915 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5618915 - 2² = 5618911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (846516).

Almost surely, 2^5618915 is an apocalyptic number.

5618915 is a deficient number, since it is larger than the sum of its proper divisors (1153213).

5618915 is a wasteful number, since it uses less digits than its factorization.

5618915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its digits is 10800, while the sum is 35.

The square root of 5618915 is about 2370.4250673666. The cubic root of 5618915 is about 177.7805126171.

It can be divided in two parts, 56 and 18915, that multiplied together give a triangular number (1059240 = T₁₄₅₅).

The spelling of 5618915 in words is "five million, six hundred eighteen thousand, nine hundred fifteen".