1976065 has 32 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 1209600.

The previous prime is 1976053. The next prime is 1976069. The reversal of 1976065 is 5606791.

1976065 = 100² + 101² + ... + 190².

It is a de Polignac number, because none of the positive numbers 2^k-1976065 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1976065.

It is not an unprimeable number, because it can be changed into a prime (1976069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19515 + ... + 19615.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2^1976065 is an apocalyptic number.

It is an amenable number.

1976065 is a deficient number, since it is larger than the sum of its proper divisors (1039871).

1976065 is a wasteful number, since it uses less digits than its factorization.

1976065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1976065 is about 1405.7257911840. The cubic root of 1976065 is about 125.4874830773.

The spelling of 1976065 in words is "one million, nine hundred seventy-six thousand, sixty-five".