3664537 has 8 divisors (see below), whose sum is σ = 3907656. Its totient is φ = 3424512.

The previous prime is 3664519. The next prime is 3664547. The reversal of 3664537 is 7354663.

3664537 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 1879641 = 1336^2 + 1371^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3664537 is a prime.

It is a Duffinian number.

3664537 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3664547) 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, 1983 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (488457).

Almost surely, 2^3664537 is an apocalyptic number.

It is an amenable number.

3664537 is a deficient number, since it is larger than the sum of its proper divisors (243119).

3664537 is a wasteful number, since it uses less digits than its factorization.

3664537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its digits is 45360, while the sum is 34.

The square root of 3664537 is about 1914.2980436703. The cubic root of 3664537 is about 154.1723067168.

The spelling of 3664537 in words is "three million, six hundred sixty-four thousand, five hundred thirty-seven".