8738620 has 72 divisors (see below), whose sum is σ = 21182112. Its totient is φ = 3020160.

The previous prime is 8738591. The next prime is 8738641. The reversal of 8738620 is 268378.

It is a happy number.

8738620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55582 + ... + 55738.

It is an arithmetic number, because the mean of its divisors is an integer number (294196).

Almost surely, 2^8738620 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 8738620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10591056).

8738620 is an abundant number, since it is smaller than the sum of its proper divisors (12443492).

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

8738620 is a wasteful number, since it uses less digits than its factorization.

8738620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8738620 is about 2956.1156946236. The cubic root of 8738620 is about 205.9748924689.

It can be divided in two parts, 873 and 8620, that multiplied together give a triangular number (7525260 = T₃₈₇₉).

The spelling of 8738620 in words is "eight million, seven hundred thirty-eight thousand, six hundred twenty".