4025444 has 6 divisors (see below), whose sum is σ = 7044534. Its totient is φ = 2012720.

The previous prime is 4025431. The next prime is 4025449. The reversal of 4025444 is 4445204.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 1236544 = 1670^2 + 1112^2 .

It is not an unprimeable number, because it can be changed into a prime (4025449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503177 + ... + 503184.

It is an arithmetic number, because the mean of its divisors is an integer number (1174089).

Almost surely, 2^4025444 is an apocalyptic number.

It is an amenable number.

4025444 is a deficient number, since it is larger than the sum of its proper divisors (3019090).

4025444 is a wasteful number, since it uses less digits than its factorization.

4025444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006365 (or 1006363 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4025444 is about 2006.3509164650. The cubic root of 4025444 is about 159.0759759787.

The spelling of 4025444 in words is "four million, twenty-five thousand, four hundred forty-four".