1685050446 has 32 divisors (see below), whose sum is σ = 3484689408. Its totient is φ = 542646720.

The previous prime is 1685050429. The next prime is 1685050447. The reversal of 1685050446 is 6440505861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685050447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107421 + ... + 122103.

It is an arithmetic number, because the mean of its divisors is an integer number (108896544).

Almost surely, 2^1685050446 is an apocalyptic number.

1685050446 is an abundant number, since it is smaller than the sum of its proper divisors (1799638962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1685050446 is a wasteful number, since it uses less digits than its factorization.

1685050446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1685050446 is about 41049.3659634348. The cubic root of 1685050446 is about 1189.9744471127.

The spelling of 1685050446 in words is "one billion, six hundred eighty-five million, fifty thousand, four hundred forty-six".