1976864 has 24 divisors (see below), whose sum is σ = 3926160. Its totient is φ = 979776.

The previous prime is 1976861. The next prime is 1976869. The reversal of 1976864 is 4686791.

It is not an unprimeable number, because it can be changed into a prime (1976861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (163590).

2^1976864 is an apocalyptic number.

It is an amenable number.

1976864 is a deficient number, since it is larger than the sum of its proper divisors (1949296).

1976864 is a wasteful number, since it uses less digits than its factorization.

1976864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 544 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 1976864 is about 1406.0099572905. The cubic root of 1976864 is about 125.5043939563.

The spelling of 1976864 in words is "one million, nine hundred seventy-six thousand, eight hundred sixty-four".