1989674206 has 16 divisors (see below), whose sum is σ = 3219462288. Its totient is φ = 916776000.

The previous prime is 1989674201. The next prime is 1989674213. The reversal of 1989674206 is 6024769891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989674201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48040 + ... + 79291.

It is an arithmetic number, because the mean of its divisors is an integer number (201216393).

Almost surely, 2^1989674206 is an apocalyptic number.

1989674206 is a deficient number, since it is larger than the sum of its proper divisors (1229788082).

1989674206 is a wasteful number, since it uses less digits than its factorization.

1989674206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127947.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1989674206 is about 44605.7642687579. The cubic root of 1989674206 is about 1257.7490267483.

The spelling of 1989674206 in words is "one billion, nine hundred eighty-nine million, six hundred seventy-four thousand, two hundred six".