3692521 has 8 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 3128928.

The previous prime is 3692477. The next prime is 3692527. The reversal of 3692521 is 1252963.

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

It is a cyclic number.

It is not a de Polignac number, because 3692521 - 2¹¹ = 3690473 is a prime.

It is a super-2 number, since 2×3692521² = 27269422670882, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3692521.

It is not an unprimeable number, because it can be changed into a prime (3692527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^3692521 is an apocalyptic number.

It is an amenable number.

3692521 is a deficient number, since it is larger than the sum of its proper divisors (575639).

3692521 is an equidigital number, since it uses as much as digits as its factorization.

3692521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023.

The product of its digits is 3240, while the sum is 28.

The square root of 3692521 is about 1921.5933492807. The cubic root of 3692521 is about 154.5637542659.

The spelling of 3692521 in words is "three million, six hundred ninety-two thousand, five hundred twenty-one".