1985234 has 16 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 928224.

The previous prime is 1985227. The next prime is 1985237. The reversal of 1985234 is 4325891.

It is a self number, because there is not a number n which added to its sum of digits gives 1985234.

It is not an unprimeable number, because it can be changed into a prime (1985237) 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, 3089 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^1985234 is an apocalyptic number.

1985234 is a deficient number, since it is larger than the sum of its proper divisors (1189966).

1985234 is a wasteful number, since it uses less digits than its factorization.

1985234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its digits is 8640, while the sum is 32.

The square root of 1985234 is about 1408.9833214059. The cubic root of 1985234 is about 125.6812721999.

The spelling of 1985234 in words is "one million, nine hundred eighty-five thousand, two hundred thirty-four".