1989462 has 8 divisors (see below), whose sum is σ = 3978936. Its totient is φ = 663152.

The previous prime is 1989419. The next prime is 1989479. The reversal of 1989462 is 2649891.

It is a sphenic number, since it is the product of 3 distinct primes.

1989462 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1989462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165783 + ... + 165794.

It is an arithmetic number, because the mean of its divisors is an integer number (497367).

2^1989462 is an apocalyptic number.

1989462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1989462 is a wasteful number, since it uses less digits than its factorization.

1989462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331582.

The product of its digits is 31104, while the sum is 39.

The square root of 1989462 is about 1410.4828960324. The cubic root of 1989462 is about 125.7704310654.

The spelling of 1989462 in words is "one million, nine hundred eighty-nine thousand, four hundred sixty-two".