18977414 has 8 divisors (see below), whose sum is σ = 28567560. Its totient is φ = 9454896.

The previous prime is 18977407. The next prime is 18977419. The reversal of 18977414 is 41477981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18977419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16199 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (3570945).

Almost surely, 2^18977414 is an apocalyptic number.

18977414 is a deficient number, since it is larger than the sum of its proper divisors (9590146).

18977414 is a wasteful number, since it uses less digits than its factorization.

18977414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33814.

The product of its digits is 56448, while the sum is 41.

The square root of 18977414 is about 4356.3073812577. The cubic root of 18977414 is about 266.7343887028.

It can be divided in two parts, 18977 and 414, that added together give a palindrome (19391).

The spelling of 18977414 in words is "eighteen million, nine hundred seventy-seven thousand, four hundred fourteen".