18814411 has 24 divisors (see below), whose sum is σ = 23982560. Its totient is φ = 14446080.

The previous prime is 18814339. The next prime is 18814423. The reversal of 18814411 is 11441881.

It is not a de Polignac number, because 18814411 - 2¹⁵ = 18781643 is a prime.

It is a super-2 number, since 2×18814411² = 707964122553842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18814411.

It is not an unprimeable number, because it can be changed into a prime (18814811) 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, 82045 + ... + 82273.

Almost surely, 2^18814411 is an apocalyptic number.

18814411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18814411 is a deficient number, since it is larger than the sum of its proper divisors (5168149).

18814411 is a wasteful number, since it uses less digits than its factorization.

18814411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

The product of its digits is 1024, while the sum is 28.

The square root of 18814411 is about 4337.5581840478. The cubic root of 18814411 is about 265.9685030639.

The spelling of 18814411 in words is "eighteen million, eight hundred fourteen thousand, four hundred eleven".