618941001 has 24 divisors (see below), whose sum is σ = 960976224. Its totient is φ = 353317440.

The previous prime is 618940999. The next prime is 618941027. The reversal of 618941001 is 100149816.

It is not a de Polignac number, because 618941001 - 2¹ = 618940999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618941001.

It is not an unprimeable number, because it can be changed into a prime (618941041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216286 + ... + 219128.

It is an arithmetic number, because the mean of its divisors is an integer number (40040676).

Almost surely, 2^618941001 is an apocalyptic number.

It is an amenable number.

618941001 is a deficient number, since it is larger than the sum of its proper divisors (342035223).

618941001 is a wasteful number, since it uses less digits than its factorization.

618941001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 618941001 is about 24878.5248959821. The cubic root of 618941001 is about 852.2161321567.

The spelling of 618941001 in words is "six hundred eighteen million, nine hundred forty-one thousand, one".