1979472 has 80 divisors (see below), whose sum is σ = 5856768. Its totient is φ = 570240.

The previous prime is 1979441. The next prime is 1979473. The reversal of 1979472 is 2749791.

It is a self number, because there is not a number n which added to its sum of digits gives 1979472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12063 + ... + 12225.

2^1979472 is an apocalyptic number.

1979472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928384).

1979472 is an abundant number, since it is smaller than the sum of its proper divisors (3877296).

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

1979472 is a wasteful number, since it uses less digits than its factorization.

1979472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 202 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 1979472 is about 1406.9370988072. The cubic root of 1979472 is about 125.5595607300.

It can be divided in two parts, 197 and 9472, that added together give a palindrome (9669).

The spelling of 1979472 in words is "one million, nine hundred seventy-nine thousand, four hundred seventy-two".