2018961 has 24 divisors (see below), whose sum is σ = 3386240. Its totient is φ = 1135296.

The previous prime is 2018957. The next prime is 2018981. The reversal of 2018961 is 1698102.

It is not a de Polignac number, because 2018961 - 2² = 2018957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2018981) 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, 4380 + ... + 4818.

2^2018961 is an apocalyptic number.

2018961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2018961 is a deficient number, since it is larger than the sum of its proper divisors (1367279).

2018961 is a wasteful number, since it uses less digits than its factorization.

2018961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2018961 is about 1420.9014744169. The cubic root of 2018961 is about 126.3890093859.

It can be divided in two parts, 20 and 18961, that added together give a palindrome (18981).

The spelling of 2018961 in words is "two million, eighteen thousand, nine hundred sixty-one".