1972328 has 16 divisors (see below), whose sum is σ = 3736260. Its totient is φ = 976000.

The previous prime is 1972307. The next prime is 1972343. The reversal of 1972328 is 8232791.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 6724 = 1402^2 + 82^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1972294 and 1972303.

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, 413 + ... + 2028.

2^1972328 is an apocalyptic number.

It is an amenable number.

1972328 is a deficient number, since it is larger than the sum of its proper divisors (1763932).

1972328 is a wasteful number, since it uses less digits than its factorization.

1972328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1972328 is about 1404.3959555624. The cubic root of 1972328 is about 125.4083286890.

The spelling of 1972328 in words is "one million, nine hundred seventy-two thousand, three hundred twenty-eight".