1974312 has 48 divisors (see below), whose sum is σ = 5665140. Its totient is φ = 619008.

The previous prime is 1974299. The next prime is 1974319. The reversal of 1974312 is 2134791.

It can be written as a sum of positive squares in 2 ways, for example, as 1887876 + 86436 = 1374^2 + 294^2 .

It is not an unprimeable number, because it can be changed into a prime (1974319) 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 11 ways as a sum of consecutive naturals, for example, 418 + ... + 2030.

2^1974312 is an apocalyptic number.

1974312 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 1974312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2832570).

1974312 is an abundant number, since it is smaller than the sum of its proper divisors (3690828).

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

1974312 is a wasteful number, since it uses less digits than its factorization.

1974312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1635 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1974312 is about 1405.1021315193. The cubic root of 1974312 is about 125.4503647573.

The spelling of 1974312 in words is "one million, nine hundred seventy-four thousand, three hundred twelve".