8488921 has 4 divisors (see below), whose sum is σ = 9701632. Its totient is φ = 7276212.

The previous prime is 8488919. The next prime is 8488939. The reversal of 8488921 is 1298848.

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 8488921 - 2¹ = 8488919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8488901) 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, 606345 + ... + 606358.

It is an arithmetic number, because the mean of its divisors is an integer number (2425408).

Almost surely, 2^8488921 is an apocalyptic number.

It is an amenable number.

8488921 is a deficient number, since it is larger than the sum of its proper divisors (1212711).

8488921 is a wasteful number, since it uses less digits than its factorization.

8488921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212710.

The product of its digits is 36864, while the sum is 40.

The square root of 8488921 is about 2913.5752950628. The cubic root of 8488921 is about 203.9940485897.

It can be divided in two parts, 8488 and 921, that added together give a square (9409 = 97²).

The spelling of 8488921 in words is "eight million, four hundred eighty-eight thousand, nine hundred twenty-one".