8677621 has 4 divisors (see below), whose sum is σ = 8692992. Its totient is φ = 8662252.

The previous prime is 8677607. The next prime is 8677651. The reversal of 8677621 is 1267768.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 8677621 - 2¹¹ = 8675573 is a prime.

It is a super-2 number, since 2×8677621² = 150602212439282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8677651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (2173248).

Almost surely, 2^8677621 is an apocalyptic number.

It is an amenable number.

8677621 is a deficient number, since it is larger than the sum of its proper divisors (15371).

8677621 is a wasteful number, since it uses less digits than its factorization.

8677621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370.

The product of its digits is 28224, while the sum is 37.

The square root of 8677621 is about 2945.7802022554. The cubic root of 8677621 is about 205.4945110943.

The spelling of 8677621 in words is "eight million, six hundred seventy-seven thousand, six hundred twenty-one".