7866348 has 48 divisors (see below), whose sum is σ = 21552384. Its totient is φ = 2185920.

The previous prime is 7866347. The next prime is 7866349. The reversal of 7866348 is 8436687.

It is an interprime number because it is at equal distance from previous prime (7866347) and next prime (7866349).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 7⁶ + 8 + 6⁷ + 6⁸ + 3¹³ + 4¹¹ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (7866347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (449008).

Almost surely, 2^7866348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7866348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10776192).

7866348 is an abundant number, since it is smaller than the sum of its proper divisors (13686036).

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

7866348 is a wasteful number, since it uses less digits than its factorization.

7866348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2580 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 7866348 is about 2804.7010535884. The cubic root of 7866348 is about 198.8799727366.

The spelling of 7866348 in words is "seven million, eight hundred sixty-six thousand, three hundred forty-eight".