7884045 has 24 divisors (see below), whose sum is σ = 14717976. Its totient is φ = 3881088.

The previous prime is 7884029. The next prime is 7884047. The reversal of 7884045 is 5404887.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 7502121 = 618^2 + 2739^2 .

It is not a de Polignac number, because 7884045 - 2⁴ = 7884029 is a prime.

It is a super-4 number, since 4×7884045⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7884047) 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 23 ways as a sum of consecutive naturals, for example, 6154 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (613249).

Almost surely, 2^7884045 is an apocalyptic number.

It is an amenable number.

7884045 is a deficient number, since it is larger than the sum of its proper divisors (6833931).

7884045 is a wasteful number, since it uses less digits than its factorization.

7884045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501 (or 13498 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 7884045 is about 2807.8541628795. The cubic root of 7884045 is about 199.0290017747.

The spelling of 7884045 in words is "seven million, eight hundred eighty-four thousand, forty-five".