1790542 has 16 divisors (see below), whose sum is σ = 3063312. Its totient is φ = 777600.

The previous prime is 1790539. The next prime is 1790557. The reversal of 1790542 is 2450971.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1790542.

It is a congruent number.

It is an unprimeable number.

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, 1584 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (191457).

2^1790542 is an apocalyptic number.

1790542 is a deficient number, since it is larger than the sum of its proper divisors (1272770).

1790542 is a wasteful number, since it uses less digits than its factorization.

1790542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1790542 is about 1338.1113556054. Note that the first 3 decimals coincide. The cubic root of 1790542 is about 121.4306083692.

It can be divided in two parts, 1790 and 542, that added together give a palindrome (2332).

The spelling of 1790542 in words is "one million, seven hundred ninety thousand, five hundred forty-two".