989419 has 2 divisors, whose sum is σ = 989420. Its totient is φ = 989418.

The previous prime is 989411. The next prime is 989423. The reversal of 989419 is 914989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989419 - 2³ = 989411 is a prime.

It is a super-2 number, since 2×989419² = 1957899915122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (989411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494709 + 494710.

It is an arithmetic number, because the mean of its divisors is an integer number (494710).

2⁹⁸⁹⁴¹⁹ is an apocalyptic number.

989419 is a deficient number, since it is larger than the sum of its proper divisors (1).

989419 is an equidigital number, since it uses as much as digits as its factorization.

989419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 989419 is about 994.6954307727. The cubic root of 989419 is about 99.6460486626.

The spelling of 989419 in words is "nine hundred eighty-nine thousand, four hundred nineteen".