18984741 has 8 divisors (see below), whose sum is σ = 26129664. Its totient is φ = 12248160.

The previous prime is 18984739. The next prime is 18984751. The reversal of 18984741 is 14748981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18984741 - 2¹ = 18984739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18984693 and 18984702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18984701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101976 + ... + 102161.

It is an arithmetic number, because the mean of its divisors is an integer number (3266208).

Almost surely, 2^18984741 is an apocalyptic number.

It is an amenable number.

18984741 is a deficient number, since it is larger than the sum of its proper divisors (7144923).

18984741 is a wasteful number, since it uses less digits than its factorization.

18984741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204171.

The product of its digits is 64512, while the sum is 42.

The square root of 18984741 is about 4357.1482646336. The cubic root of 18984741 is about 266.7687121605.

The spelling of 18984741 in words is "eighteen million, nine hundred eighty-four thousand, seven hundred forty-one".