4398628 has 12 divisors (see below), whose sum is σ = 8289820. Its totient is φ = 2030112.

The previous prime is 4398623. The next prime is 4398637. The reversal of 4398628 is 8268934.

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 2214144 = 1478^2 + 1488^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4⁶ + 3¹³ + 9⁶ + 8⁵ + 6⁵ + 2¹⁷ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (4398623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42243 + ... + 42346.

Almost surely, 2^4398628 is an apocalyptic number.

It is an amenable number.

4398628 is a deficient number, since it is larger than the sum of its proper divisors (3891192).

4398628 is a wasteful number, since it uses less digits than its factorization.

4398628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84606 (or 84604 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 4398628 is about 2097.2906331741. The cubic root of 4398628 is about 163.8472203983.

The spelling of 4398628 in words is "four million, three hundred ninety-eight thousand, six hundred twenty-eight".