1974432 has 48 divisors (see below), whose sum is σ = 5255712. Its totient is φ = 648960.

The previous prime is 1974403. The next prime is 1974433. The reversal of 1974432 is 2344791.

It is a happy number.

1974432 is nontrivially palindromic in base 9.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1974432.

It is not an unprimeable number, because it can be changed into a prime (1974433) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 12498 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (109494).

2^1974432 is an apocalyptic number.

1974432 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 1974432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627856).

1974432 is an abundant number, since it is smaller than the sum of its proper divisors (3281280).

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

1974432 is a wasteful number, since it uses less digits than its factorization.

1974432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1974432 is about 1405.1448323927. The cubic root of 1974432 is about 125.4529063581.

The spelling of 1974432 in words is "one million, nine hundred seventy-four thousand, four hundred thirty-two".