1974536 has 8 divisors (see below), whose sum is σ = 3702270. Its totient is φ = 987264.

The previous prime is 1974503. The next prime is 1974541. The reversal of 1974536 is 6354791.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 42436 = 1390^2 + 206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1974496 and 1974505.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 123401 + ... + 123416.

2^1974536 is an apocalyptic number.

It is an amenable number.

1974536 is a deficient number, since it is larger than the sum of its proper divisors (1727734).

1974536 is a wasteful number, since it uses less digits than its factorization.

1974536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246823 (or 246819 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 1974536 is about 1405.1818387668. The cubic root of 1974536 is about 125.4551089955.

The spelling of 1974536 in words is "one million, nine hundred seventy-four thousand, five hundred thirty-six".