8259428 has 6 divisors (see below), whose sum is σ = 14454006. Its totient is φ = 4129712.

The previous prime is 8259421. The next prime is 8259463. The reversal of 8259428 is 8249528.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 652864 = 2758^2 + 808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8259391 and 8259400.

It is not an unprimeable number, because it can be changed into a prime (8259421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032425 + ... + 1032432.

It is an arithmetic number, because the mean of its divisors is an integer number (2409001).

Almost surely, 2^8259428 is an apocalyptic number.

It is an amenable number.

8259428 is a deficient number, since it is larger than the sum of its proper divisors (6194578).

8259428 is a wasteful number, since it uses less digits than its factorization.

8259428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064861 (or 2064859 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 8259428 is about 2873.9220587900. The cubic root of 8259428 is about 202.1389430643.

The spelling of 8259428 in words is "eight million, two hundred fifty-nine thousand, four hundred twenty-eight".