1988614 has 4 divisors (see below), whose sum is σ = 2982924. Its totient is φ = 994306.

The previous prime is 1988611. The next prime is 1988633. The reversal of 1988614 is 4168891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497152 + ... + 497155.

It is an arithmetic number, because the mean of its divisors is an integer number (745731).

2^1988614 is an apocalyptic number.

1988614 is a deficient number, since it is larger than the sum of its proper divisors (994310).

1988614 is an equidigital number, since it uses as much as digits as its factorization.

1988614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994309.

The product of its digits is 13824, while the sum is 37.

The square root of 1988614 is about 1410.1822577242. The cubic root of 1988614 is about 125.7525588161.

It can be divided in two parts, 19886 and 14, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 1988614 in words is "one million, nine hundred eighty-eight thousand, six hundred fourteen".