7946887 has 12 divisors (see below), whose sum is σ = 8762040. Its totient is φ = 7202208.

The previous prime is 7946857. The next prime is 7946903. The reversal of 7946887 is 7886497.

It is a de Polignac number, because none of the positive numbers 2^k-7946887 is a prime.

It is a Duffinian number.

Its product of digits (677376) is a multiple of the sum of its prime factors (882).

It is a self number, because there is not a number n which added to its sum of digits gives 7946887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7946857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9573 + ... + 10369.

It is an arithmetic number, because the mean of its divisors is an integer number (730170).

Almost surely, 2^7946887 is an apocalyptic number.

7946887 is a deficient number, since it is larger than the sum of its proper divisors (815153).

7946887 is a wasteful number, since it uses less digits than its factorization.

7946887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 869 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 7946887 is about 2819.0223482619. The cubic root of 7946887 is about 199.5564085271.

It can be divided in two parts, 79 and 46887, that multiplied together give a palindrome (3704073).

The spelling of 7946887 in words is "seven million, nine hundred forty-six thousand, eight hundred eighty-seven".