18941058 has 12 divisors (see below), whose sum is σ = 41038998. Its totient is φ = 6313680.

The previous prime is 18941051. The next prime is 18941059. The reversal of 18941058 is 85014981.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 7469289 = 3387^2 + 2733^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18941051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526123 + ... + 526158.

Almost surely, 2^18941058 is an apocalyptic number.

18941058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18941058 is an abundant number, since it is smaller than the sum of its proper divisors (22097940).

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

18941058 is a wasteful number, since it uses less digits than its factorization.

18941058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052289 (or 1052286 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 18941058 is about 4352.1325807011. The cubic root of 18941058 is about 266.5639475908.

The spelling of 18941058 in words is "eighteen million, nine hundred forty-one thousand, fifty-eight".