1980302 has 4 divisors (see below), whose sum is σ = 2970456. Its totient is φ = 990150.

The previous prime is 1980301. The next prime is 1980317. The reversal of 1980302 is 2030891.

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

It is a super-2 number, since 2×1980302² = 7843192022408, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495074 + ... + 495077.

It is an arithmetic number, because the mean of its divisors is an integer number (742614).

2^1980302 is an apocalyptic number.

1980302 is a deficient number, since it is larger than the sum of its proper divisors (990154).

1980302 is an equidigital number, since it uses as much as digits as its factorization.

1980302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990153.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1980302 is about 1407.2320348827. The cubic root of 1980302 is about 125.5771074753.

The spelling of 1980302 in words is "one million, nine hundred eighty thousand, three hundred two".