7891134 has 16 divisors (see below), whose sum is σ = 15884688. Its totient is φ = 2613312.

The previous prime is 7891123. The next prime is 7891141. The reversal of 7891134 is 4311987.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7891095 and 7891104.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3247 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (992793).

Almost surely, 2^7891134 is an apocalyptic number.

7891134 is an abundant number, since it is smaller than the sum of its proper divisors (7993554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7891134 is a wasteful number, since it uses less digits than its factorization.

7891134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539.

The product of its digits is 6048, while the sum is 33.

The square root of 7891134 is about 2809.1162311304. The cubic root of 7891134 is about 199.0886367263.

The spelling of 7891134 in words is "seven million, eight hundred ninety-one thousand, one hundred thirty-four".