4531616 has 12 divisors (see below), whose sum is σ = 8921682. Its totient is φ = 2265792.

The previous prime is 4531609. The next prime is 4531619. The reversal of 4531616 is 6161354.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 547600 = 1996^2 + 740^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4531619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70775 + ... + 70838.

Almost surely, 2^4531616 is an apocalyptic number.

It is an amenable number.

4531616 is a deficient number, since it is larger than the sum of its proper divisors (4390066).

4531616 is a wasteful number, since it uses less digits than its factorization.

4531616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141623 (or 141615 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 4531616 is about 2128.7592630450. The cubic root of 4531616 is about 165.4821039237.

The spelling of 4531616 in words is "four million, five hundred thirty-one thousand, six hundred sixteen".