1976997 has 16 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 1186800.

The previous prime is 1976993. The next prime is 1977023. The reversal of 1976997 is 7996791.

It is not a de Polignac number, because 1976997 - 2² = 1976993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976993) 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 15 ways as a sum of consecutive naturals, for example, 4372 + ... + 4802.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^1976997 is an apocalyptic number.

It is an amenable number.

1976997 is a deficient number, since it is larger than the sum of its proper divisors (926043).

1976997 is a wasteful number, since it uses less digits than its factorization.

1976997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 214326, while the sum is 48.

The square root of 1976997 is about 1406.0572534573. The cubic root of 1976997 is about 125.5072084662.

Subtracting from 1976997 its product of digits (214326), we obtain a palindrome (1762671).

The spelling of 1976997 in words is "one million, nine hundred seventy-six thousand, nine hundred ninety-seven".