8937021 has 8 divisors (see below), whose sum is σ = 12300544. Its totient is φ = 5765760.

The previous prime is 8937013. The next prime is 8937029. The reversal of 8937021 is 1207398.

It is a happy number.

8937021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8937013) and next prime (8937029).

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

It is not a de Polignac number, because 8937021 - 2³ = 8937013 is a prime.

It is a Duffinian number.

8937021 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8937021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8937029) 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, 47956 + ... + 48141.

It is an arithmetic number, because the mean of its divisors is an integer number (1537568).

Almost surely, 2^8937021 is an apocalyptic number.

It is an amenable number.

8937021 is a deficient number, since it is larger than the sum of its proper divisors (3363523).

8937021 is a wasteful number, since it uses less digits than its factorization.

8937021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96131.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 8937021 is about 2989.4850727174. The cubic root of 8937021 is about 207.5220550419.

The spelling of 8937021 in words is "eight million, nine hundred thirty-seven thousand, twenty-one".