1989053 has 16 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 1652400.

The previous prime is 1989049. The next prime is 1989059. The reversal of 1989053 is 3509891.

It is a cyclic number.

It is not a de Polignac number, because 1989053 - 2² = 1989049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6326 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^1989053 is an apocalyptic number.

It is an amenable number.

1989053 is a deficient number, since it is larger than the sum of its proper divisors (376387).

1989053 is a wasteful number, since it uses less digits than its factorization.

1989053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1989053 is about 1410.3379027737. The cubic root of 1989053 is about 125.7618117114.

The spelling of 1989053 in words is "one million, nine hundred eighty-nine thousand, fifty-three".