1980315 has 16 divisors (see below), whose sum is σ = 3520800. Its totient is φ = 1056096.

The previous prime is 1980301. The next prime is 1980317. The reversal of 1980315 is 5130891.

It is not a de Polignac number, because 1980315 - 2⁵ = 1980283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1980317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (220050).

2^1980315 is an apocalyptic number.

1980315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1980315 is a deficient number, since it is larger than the sum of its proper divisors (1540485).

1980315 is a wasteful number, since it uses less digits than its factorization.

1980315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14683 (or 14677 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1980315 is about 1407.2366538717. The cubic root of 1980315 is about 125.5773822648.

The spelling of 1980315 in words is "one million, nine hundred eighty thousand, three hundred fifteen".