8425444 has 6 divisors (see below), whose sum is σ = 14744534. Its totient is φ = 4212720.

The previous prime is 8425433. The next prime is 8425447. The reversal of 8425444 is 4445248.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 131044 = 2880^2 + 362^2 .

It is not an unprimeable number, because it can be changed into a prime (8425447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053177 + ... + 1053184.

Almost surely, 2^8425444 is an apocalyptic number.

It is an amenable number.

8425444 is a deficient number, since it is larger than the sum of its proper divisors (6319090).

8425444 is a wasteful number, since it uses less digits than its factorization.

8425444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106365 (or 2106363 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

The square root of 8425444 is about 2902.6615372792. The cubic root of 8425444 is about 203.4843120071.

The spelling of 8425444 in words is "eight million, four hundred twenty-five thousand, four hundred forty-four".