1977282 has 12 divisors (see below), whose sum is σ = 4284150. Its totient is φ = 659088.

The previous prime is 1977259. The next prime is 1977301. The reversal of 1977282 is 2827791.

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 47961 = 1389^2 + 219^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54907 + ... + 54942.

2^1977282 is an apocalyptic number.

1977282 is an abundant number, since it is smaller than the sum of its proper divisors (2306868).

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

1977282 is a wasteful number, since it uses less digits than its factorization.

1977282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109857 (or 109854 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1977282 is about 1406.1585970295. The cubic root of 1977282 is about 125.5132391339.

The spelling of 1977282 in words is "one million, nine hundred seventy-seven thousand, two hundred eighty-two".