4428490 has 32 divisors (see below), whose sum is σ = 8792064. Its totient is φ = 1592640.

The previous prime is 4428469. The next prime is 4428491. The reversal of 4428490 is 948244.

It is a super-2 number, since 2×4428490² = 39223047360200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13812 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (274752).

Almost surely, 2^4428490 is an apocalyptic number.

4428490 is a deficient number, since it is larger than the sum of its proper divisors (4363574).

4428490 is a wasteful number, since it uses less digits than its factorization.

4428490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4428490 is about 2104.3977760870. The cubic root of 4428490 is about 164.2171671904.

The spelling of 4428490 in words is "four million, four hundred twenty-eight thousand, four hundred ninety".