1967872 has 18 divisors (see below), whose sum is σ = 3928568. Its totient is φ = 983808.

The previous prime is 1967851. The next prime is 1967891. The reversal of 1967872 is 2787691.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3588 + ... + 4099.

2^1967872 is an apocalyptic number.

It is an amenable number.

1967872 is a deficient number, since it is larger than the sum of its proper divisors (1960696).

1967872 is an frugal number, since it uses more digits than its factorization.

1967872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703 (or 7689 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 1967872 is about 1402.8086113223. The cubic root of 1967872 is about 125.3138141727.

The spelling of 1967872 in words is "one million, nine hundred sixty-seven thousand, eight hundred seventy-two".