1979632 has 10 divisors (see below), whose sum is σ = 3835568. Its totient is φ = 989808.

The previous prime is 1979617. The next prime is 1979683. The reversal of 1979632 is 2369791.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1979591 and 1979600.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61848 + ... + 61879.

2^1979632 is an apocalyptic number.

It is an amenable number.

1979632 is a deficient number, since it is larger than the sum of its proper divisors (1855936).

1979632 is a wasteful number, since it uses less digits than its factorization.

1979632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123735 (or 123729 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 1979632 is about 1406.9939587646. The cubic root of 1979632 is about 125.5629436167.

The spelling of 1979632 in words is "one million, nine hundred seventy-nine thousand, six hundred thirty-two".