8674638 has 32 divisors (see below), whose sum is σ = 20113920. Its totient is φ = 2442720.

The previous prime is 8674619. The next prime is 8674667. The reversal of 8674638 is 8364768.

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 8 + 6⁴ + 7⁸ + 4 + 6⁷ + 3¹² + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 8674638.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1528 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (628560).

Almost surely, 2^8674638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8674638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10056960).

8674638 is an abundant number, since it is smaller than the sum of its proper divisors (11439282).

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

8674638 is a wasteful number, since it uses less digits than its factorization.

8674638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

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

The square root of 8674638 is about 2945.2738412582. The cubic root of 8674638 is about 205.4709616146.

The spelling of 8674638 in words is "eight million, six hundred seventy-four thousand, six hundred thirty-eight".