1974146 has 16 divisors (see below), whose sum is σ = 3102840. Its totient is φ = 940800.

The previous prime is 1974121. The next prime is 1974149. The reversal of 1974146 is 6414791.

It can be written as a sum of positive squares in 4 ways, for example, as 1890625 + 83521 = 1375^2 + 289^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1974149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690 + ... + 6026.

2^1974146 is an apocalyptic number.

1974146 is a deficient number, since it is larger than the sum of its proper divisors (1128694).

1974146 is a wasteful number, since it uses less digits than its factorization.

1974146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

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

The square root of 1974146 is about 1405.0430598384. The cubic root of 1974146 is about 125.4468487064.

The spelling of 1974146 in words is "one million, nine hundred seventy-four thousand, one hundred forty-six".