1989119 has 12 divisors (see below), whose sum is σ = 2317392. Its totient is φ = 1700160.

The previous prime is 1989107. The next prime is 1989131. The reversal of 1989119 is 9119891.

1989119 = T₄₂ + T₄₃ + ... + T₂₂₈.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1989107) and next prime (1989131).

It is not a de Polignac number, because 1989119 - 2²⁰ = 940543 is a prime.

It is a super-2 number, since 2×1989119² = 7913188792322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (193116).

2^1989119 is an apocalyptic number.

1989119 is a deficient number, since it is larger than the sum of its proper divisors (328273).

1989119 is a wasteful number, since it uses less digits than its factorization.

1989119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 995 counting only the distinct ones).

The product of its digits is 5832, while the sum is 38.

The square root of 1989119 is about 1410.3613012275. The cubic root of 1989119 is about 125.7632026895.

The spelling of 1989119 in words is "one million, nine hundred eighty-nine thousand, one hundred nineteen".