1969872 has 20 divisors (see below), whose sum is σ = 5088960. Its totient is φ = 656608.

The previous prime is 1969831. The next prime is 1969889. The reversal of 1969872 is 2789691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20472 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (254448).

2^1969872 is an apocalyptic number.

1969872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1969872 is an abundant number, since it is smaller than the sum of its proper divisors (3119088).

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

1969872 is a wasteful number, since it uses less digits than its factorization.

1969872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41050 (or 41044 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1969872 is about 1403.5212859091. The cubic root of 1969872 is about 125.3562530389.

The spelling of 1969872 in words is "one million, nine hundred sixty-nine thousand, eight hundred seventy-two".