874341989 has 4 divisors (see below), whose sum is σ = 874434624. Its totient is φ = 874249356.

The previous prime is 874341961. The next prime is 874341991. The reversal of 874341989 is 989143478.

874341989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 874341989 - 2⁸ = 874341733 is a prime.

It is a super-2 number, since 2×874341989² = 1528947827456952242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 874341989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874341929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30317 + ... + 51650.

It is an arithmetic number, because the mean of its divisors is an integer number (218608656).

Almost surely, 2^874341989 is an apocalyptic number.

It is an amenable number.

874341989 is a deficient number, since it is larger than the sum of its proper divisors (92635).

874341989 is a wasteful number, since it uses less digits than its factorization.

874341989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92634.

The product of its digits is 1741824, while the sum is 53.

The square root of 874341989 is about 29569.2744077361. The cubic root of 874341989 is about 956.2257732111.

The spelling of 874341989 in words is "eight hundred seventy-four million, three hundred forty-one thousand, nine hundred eighty-nine".