1972776 has 32 divisors (see below), whose sum is σ = 5312160. Its totient is φ = 606912.

The previous prime is 1972741. The next prime is 1972777. The reversal of 1972776 is 6772791.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1972777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (166005).

2^1972776 is an apocalyptic number.

It is an amenable number.

1972776 is an abundant number, since it is smaller than the sum of its proper divisors (3339384).

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

1972776 is a wasteful number, since it uses less digits than its factorization.

1972776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6341 counting only the distinct ones).

The product of its digits is 37044, while the sum is 39.

The square root of 1972776 is about 1404.5554456838. Note that the first 3 decimals coincide. The cubic root of 1972776 is about 125.4178231676.

The spelling of 1972776 in words is "one million, nine hundred seventy-two thousand, seven hundred seventy-six".