3676521 has 4 divisors (see below), whose sum is σ = 4902032. Its totient is φ = 2451012.

The previous prime is 3676513. The next prime is 3676529. The reversal of 3676521 is 1256763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1256763 = 3 ⋅418921.

It is an interprime number because it is at equal distance from previous prime (3676513) and next prime (3676529).

It is not a de Polignac number, because 3676521 - 2³ = 3676513 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3676529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612751 + ... + 612756.

It is an arithmetic number, because the mean of its divisors is an integer number (1225508).

Almost surely, 2^3676521 is an apocalyptic number.

It is an amenable number.

3676521 is a deficient number, since it is larger than the sum of its proper divisors (1225511).

3676521 is a wasteful number, since it uses less digits than its factorization.

3676521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225510.

The product of its digits is 7560, while the sum is 30.

The square root of 3676521 is about 1917.4256178533. The cubic root of 3676521 is about 154.3401851807.

It can be divided in two parts, 367652 and 1, that added together give a triangular number (367653 = T₈₅₇).

The spelling of 3676521 in words is "three million, six hundred seventy-six thousand, five hundred twenty-one".