1962989 has 16 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 1636992.

The previous prime is 1962967. The next prime is 1962991. The reversal of 1962989 is 9892691.

It is a de Polignac number, because none of the positive numbers 2^k-1962989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1962929) 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, 20189 + ... + 20285.

It is an arithmetic number, because the mean of its divisors is an integer number (147000).

2^1962989 is an apocalyptic number.

It is an amenable number.

1962989 is a deficient number, since it is larger than the sum of its proper divisors (389011).

1962989 is an frugal number, since it uses more digits than its factorization.

1962989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 163 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 1962989 is about 1401.0670933257. The cubic root of 1962989 is about 125.2100787376.

The spelling of 1962989 in words is "one million, nine hundred sixty-two thousand, nine hundred eighty-nine".