18942411 has 16 divisors (see below), whose sum is σ = 26681600. Its totient is φ = 11920608.

The previous prime is 18942401. The next prime is 18942419. The reversal of 18942411 is 11424981.

It is not a de Polignac number, because 18942411 - 2⁵ = 18942379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18942419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24645 + ... + 25401.

It is an arithmetic number, because the mean of its divisors is an integer number (1667600).

Almost surely, 2^18942411 is an apocalyptic number.

18942411 is a deficient number, since it is larger than the sum of its proper divisors (7739189).

18942411 is a wasteful number, since it uses less digits than its factorization.

18942411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its digits is 2304, while the sum is 30.

The square root of 18942411 is about 4352.2880189620. The cubic root of 18942411 is about 266.5702945160.

The spelling of 18942411 in words is "eighteen million, nine hundred forty-two thousand, four hundred eleven".