618954 has 16 divisors (see below), whose sum is σ = 1414848. Its totient is φ = 176832.

The previous prime is 618941. The next prime is 618971. The reversal of 618954 is 459816.

618954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

618954 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7327 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (88428).

2⁶¹⁸⁹⁵⁴ is an apocalyptic number.

618954 is an abundant number, since it is smaller than the sum of its proper divisors (795894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618954 is a wasteful number, since it uses less digits than its factorization.

618954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749.

The product of its digits is 8640, while the sum is 33.

The square root of 618954 is about 786.7362963535. The cubic root of 618954 is about 85.2222098196. Note that the first 4 decimals are identical.

The spelling of 618954 in words is "six hundred eighteen thousand, nine hundred fifty-four".