1960989 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1255040.

The previous prime is 1960979. The next prime is 1960991. The reversal of 1960989 is 9890691.

It is a cyclic number.

It is not a de Polignac number, because 1960989 - 2⁸ = 1960733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1960989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960909) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13087 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^1960989 is an apocalyptic number.

It is an amenable number.

1960989 is a deficient number, since it is larger than the sum of its proper divisors (760611).

1960989 is a wasteful number, since it uses less digits than its factorization.

1960989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 1960989 is about 1400.3531697397. The cubic root of 1960989 is about 125.1675406740.

The spelling of 1960989 in words is "one million, nine hundred sixty thousand, nine hundred eighty-nine".