5618667 has 4 divisors (see below), whose sum is σ = 7491560. Its totient is φ = 3745776.

The previous prime is 5618633. The next prime is 5618671. The reversal of 5618667 is 7668165.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5618667 - 2⁷ = 5618539 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618567) 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, 936442 + ... + 936447.

It is an arithmetic number, because the mean of its divisors is an integer number (1872890).

Almost surely, 2^5618667 is an apocalyptic number.

5618667 is a deficient number, since it is larger than the sum of its proper divisors (1872893).

5618667 is a wasteful number, since it uses less digits than its factorization.

5618667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872892.

The product of its digits is 60480, while the sum is 39.

The square root of 5618667 is about 2370.3727554965. The cubic root of 5618667 is about 177.7778970341. Note that the first 3 decimals are identical.

The spelling of 5618667 in words is "five million, six hundred eighteen thousand, six hundred sixty-seven".