989694719 has 8 divisors (see below), whose sum is σ = 1070482560. Its totient is φ = 909572256.

The previous prime is 989694709. The next prime is 989694731. The reversal of 989694719 is 917496989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 989694719 - 2⁴ = 989694703 is a prime.

It is a super-2 number, since 2×989694719² = 1958991273632977922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989694709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163247 + ... + 169200.

It is an arithmetic number, because the mean of its divisors is an integer number (133810320).

Almost surely, 2^989694719 is an apocalyptic number.

989694719 is a deficient number, since it is larger than the sum of its proper divisors (80787841).

989694719 is a wasteful number, since it uses less digits than its factorization.

989694719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332689.

The product of its digits is 8817984, while the sum is 62.

The square root of 989694719 is about 31459.4138375145. The cubic root of 989694719 is about 996.5530384411.

The spelling of 989694719 in words is "nine hundred eighty-nine million, six hundred ninety-four thousand, seven hundred nineteen".