618039954 has 24 divisors (see below), whose sum is σ = 1530384960. Its totient is φ = 176582808.

The previous prime is 618039953. The next prime is 618039977. The reversal of 618039954 is 459930816.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (618039953) 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 11 ways as a sum of consecutive naturals, for example, 2452414 + ... + 2452665.

It is an arithmetic number, because the mean of its divisors is an integer number (63766040).

Almost surely, 2^618039954 is an apocalyptic number.

618039954 is an abundant number, since it is smaller than the sum of its proper divisors (912345006).

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

618039954 is a wasteful number, since it uses less digits than its factorization.

618039954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905094 (or 4905091 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 618039954 is about 24860.4093691154. The cubic root of 618039954 is about 851.8023825874.

The spelling of 618039954 in words is "six hundred eighteen million, thirty-nine thousand, nine hundred fifty-four".