1982028267 has 12 divisors (see below), whose sum is σ = 2868410584. Its totient is φ = 1318822560.

The previous prime is 1982028221. The next prime is 1982028281. The reversal of 1982028267 is 7628202891.

It is not a de Polignac number, because 1982028267 - 2⁶ = 1982028203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982028067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205834 + ... + 215247.

Almost surely, 2^1982028267 is an apocalyptic number.

1982028267 is a deficient number, since it is larger than the sum of its proper divisors (886382317).

1982028267 is a wasteful number, since it uses less digits than its factorization.

1982028267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421610 (or 421607 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1982028267 is about 44519.9760444679. The cubic root of 1982028267 is about 1256.1358619700.

The spelling of 1982028267 in words is "one billion, nine hundred eighty-two million, twenty-eight thousand, two hundred sixty-seven".