618670 has 16 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 228384.

The previous prime is 618643. The next prime is 618671. The reversal of 618670 is 76816.

618670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618671) 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, 2250 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2⁶¹⁸⁶⁷⁰ is an apocalyptic number.

618670 is a deficient number, since it is larger than the sum of its proper divisors (580850).

618670 is a wasteful number, since it uses less digits than its factorization.

618670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 618670 is about 786.5557831457. Note that the first 3 decimals coincide. The cubic root of 618670 is about 85.2091734118.

The spelling of 618670 in words is "six hundred eighteen thousand, six hundred seventy".