4578916 has 24 divisors (see below), whose sum is σ = 8550360. Its totient is φ = 2145536.

The previous prime is 4578913. The next prime is 4578923. The reversal of 4578916 is 6198754.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 4218916 = 600^2 + 2054^2 .

Its product of digits (60480) is a multiple of the sum of its prime divisors (252).

It is not an unprimeable number, because it can be changed into a prime (4578913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19536 + ... + 19768.

It is an arithmetic number, because the mean of its divisors is an integer number (356265).

Almost surely, 2^4578916 is an apocalyptic number.

It is an amenable number.

4578916 is a deficient number, since it is larger than the sum of its proper divisors (3971444).

4578916 is a wasteful number, since it uses less digits than its factorization.

4578916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 252 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 4578916 is about 2139.8401809481. The cubic root of 4578916 is about 166.0558673911.

It can be divided in two parts, 45 and 78916, that added together give a square (78961 = 281²).

The spelling of 4578916 in words is "four million, five hundred seventy-eight thousand, nine hundred sixteen".