4247628 has 48 divisors (see below), whose sum is σ = 12359424. Its totient is φ = 1103040.

The previous prime is 4247623. The next prime is 4247629. The reversal of 4247628 is 8267424.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4247623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (257488).

Almost surely, 2^4247628 is an apocalyptic number.

It is an amenable number.

4247628 is an abundant number, since it is smaller than the sum of its proper divisors (8111796).

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

4247628 is a wasteful number, since it uses less digits than its factorization.

4247628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4620 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 4247628 is about 2060.9774380133. The cubic root of 4247628 is about 161.9504497140.

It can be divided in two parts, 42 and 47628, that multiplied together give a cube (2000376 = 126³).

The spelling of 4247628 in words is "four million, two hundred forty-seven thousand, six hundred twenty-eight".