8244428 has 12 divisors (see below), whose sum is σ = 14571312. Its totient is φ = 4081200.

The previous prime is 8244409. The next prime is 8244463.

8244428 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8244394 and 8244403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (1214276).

Almost surely, 2^8244428 is an apocalyptic number.

It is an amenable number.

8244428 is a deficient number, since it is larger than the sum of its proper divisors (6326884).

8244428 is a wasteful number, since it uses less digits than its factorization.

8244428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512 (or 20510 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 8244428 is about 2871.3111987383. The cubic root of 8244428 is about 202.0165003023.

The spelling of 8244428 in words is "eight million, two hundred forty-four thousand, four hundred twenty-eight".