1980614 has 4 divisors (see below), whose sum is σ = 2970924. Its totient is φ = 990306.

The previous prime is 1980607. The next prime is 1980631. The reversal of 1980614 is 4160891.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495152 + ... + 495155.

It is an arithmetic number, because the mean of its divisors is an integer number (742731).

2^1980614 is an apocalyptic number.

1980614 is a deficient number, since it is larger than the sum of its proper divisors (990310).

1980614 is an equidigital number, since it uses as much as digits as its factorization.

1980614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990309.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1980614 is about 1407.3428864353. The cubic root of 1980614 is about 125.5837020923.

The spelling of 1980614 in words is "one million, nine hundred eighty thousand, six hundred fourteen".