3616521 has 8 divisors (see below), whose sum is σ = 4834944. Its totient is φ = 2404560.

The previous prime is 3616519. The next prime is 3616531. The reversal of 3616521 is 1256163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3616521 - 2¹ = 3616519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3616491 and 3616500.

It is not an unprimeable number, because it can be changed into a prime (3616531) 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, 106 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (604368).

Almost surely, 2^3616521 is an apocalyptic number.

It is an amenable number.

3616521 is a deficient number, since it is larger than the sum of its proper divisors (1218423).

3616521 is a wasteful number, since it uses less digits than its factorization.

3616521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 1080, while the sum is 24.

The square root of 3616521 is about 1901.7152783737. The cubic root of 3616521 is about 153.4959768634.

The spelling of 3616521 in words is "three million, six hundred sixteen thousand, five hundred twenty-one".