8277428 has 12 divisors (see below), whose sum is σ = 14512260. Its totient is φ = 4131072.

The previous prime is 8277427. The next prime is 8277439. The reversal of 8277428 is 8247728.

It can be written as a sum of positive squares in 2 ways, for example, as 4443664 + 3833764 = 2108^2 + 1958^2 .

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8277391 and 8277400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8277427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (1209355).

Almost surely, 2^8277428 is an apocalyptic number.

It is an amenable number.

8277428 is a deficient number, since it is larger than the sum of its proper divisors (6234832).

8277428 is a wasteful number, since it uses less digits than its factorization.

8277428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826 (or 3824 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 8277428 is about 2877.0519633820. The cubic root of 8277428 is about 202.2856788515.

The spelling of 8277428 in words is "eight million, two hundred seventy-seven thousand, four hundred twenty-eight".