1977116 has 12 divisors (see below), whose sum is σ = 3474240. Its totient is φ = 984480.

The previous prime is 1977091. The next prime is 1977119. The reversal of 1977116 is 6117791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1977119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 245 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (289520).

2^1977116 is an apocalyptic number.

It is an amenable number.

1977116 is a deficient number, since it is larger than the sum of its proper divisors (1497124).

1977116 is a wasteful number, since it uses less digits than its factorization.

1977116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2042 counting only the distinct ones).

The product of its digits is 2646, while the sum is 32.

The square root of 1977116 is about 1406.0995697318. The cubic root of 1977116 is about 125.5097266050.

The spelling of 1977116 in words is "one million, nine hundred seventy-seven thousand, one hundred sixteen".