4394628 has 48 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 1255392.

The previous prime is 4394627. The next prime is 4394639. The reversal of 4394628 is 8264934.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁷ + 3¹¹ + 9⁴ + 4¹¹ + 6³ + 2³ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 4394592 and 4394601.

It is not an unprimeable number, because it can be changed into a prime (4394627) 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, 2151 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (271320).

Almost surely, 2^4394628 is an apocalyptic number.

It is an amenable number.

4394628 is an abundant number, since it is smaller than the sum of its proper divisors (8628732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4394628 is a wasteful number, since it uses less digits than its factorization.

4394628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5825 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4394628 is about 2096.3368050006. The cubic root of 4394628 is about 163.7975391760.

The spelling of 4394628 in words is "four million, three hundred ninety-four thousand, six hundred twenty-eight".