1988414 has 8 divisors (see below), whose sum is σ = 3085560. Its totient is φ = 959896.

The previous prime is 1988411. The next prime is 1988423. The reversal of 1988414 is 4148891.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988411) 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, 17084 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (385695).

2^1988414 is an apocalyptic number.

1988414 is a deficient number, since it is larger than the sum of its proper divisors (1097146).

1988414 is a wasteful number, since it uses less digits than its factorization.

1988414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34314.

The product of its digits is 9216, while the sum is 35.

The square root of 1988414 is about 1410.1113431215. Note that the first 3 decimals coincide. The cubic root of 1988414 is about 125.7483429225.

The spelling of 1988414 in words is "one million, nine hundred eighty-eight thousand, four hundred fourteen".