1980093 has 8 divisors (see below), whose sum is σ = 2755008. Its totient is φ = 1262624.

The previous prime is 1980089. The next prime is 1980101. The reversal of 1980093 is 3900891.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1980093 - 2² = 1980089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1980093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980023) 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, 14280 + ... + 14417.

It is an arithmetic number, because the mean of its divisors is an integer number (344376).

2^1980093 is an apocalyptic number.

It is an amenable number.

1980093 is a deficient number, since it is larger than the sum of its proper divisors (774915).

1980093 is a wasteful number, since it uses less digits than its factorization.

1980093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28723.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1980093 is about 1407.1577736700. The cubic root of 1980093 is about 125.5726895399.

The spelling of 1980093 in words is "one million, nine hundred eighty thousand, ninety-three".