8377428 has 48 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 2638944.

The previous prime is 8377427. The next prime is 8377459. The reversal of 8377428 is 8247738.

8377428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8377427) 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, 34933 + ... + 35171.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

Almost surely, 2^8377428 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 8377428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321920).

8377428 is an abundant number, since it is smaller than the sum of its proper divisors (12266412).

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

8377428 is a wasteful number, since it uses less digits than its factorization.

8377428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 8377428 is about 2894.3786898055. The cubic root of 8377428 is about 203.0970278799.

The spelling of 8377428 in words is "eight million, three hundred seventy-seven thousand, four hundred twenty-eight".