1980258 has 16 divisors (see below), whose sum is σ = 4526400. Its totient is φ = 565776.

The previous prime is 1980247. The next prime is 1980263. The reversal of 1980258 is 8520891.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23533 + ... + 23616.

It is an arithmetic number, because the mean of its divisors is an integer number (282900).

2^1980258 is an apocalyptic number.

1980258 is an abundant number, since it is smaller than the sum of its proper divisors (2546142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1980258 is a wasteful number, since it uses less digits than its factorization.

1980258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47161.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1980258 is about 1407.2164012688. The cubic root of 1980258 is about 125.5761774094.

The spelling of 1980258 in words is "one million, nine hundred eighty thousand, two hundred fifty-eight".