10002909 has 16 divisors (see below), whose sum is σ = 15555200. Its totient is φ = 5715360.

The previous prime is 10002887. The next prime is 10002929. The reversal of 10002909 is 90920001.

It is a happy number.

10002909 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10002909 - 2⁸ = 10002653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

10002909 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832 + ... + 5889.

It is an arithmetic number, because the mean of its divisors is an integer number (972200).

Almost surely, 2^10002909 is an apocalyptic number.

It is an amenable number.

10002909 is a deficient number, since it is larger than the sum of its proper divisors (5552291).

10002909 is an frugal number, since it uses more digits than its factorization.

10002909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745 (or 9731 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 10002909 is about 3162.7375800088. The cubic root of 10002909 is about 215.4643578128.

The spelling of 10002909 in words is "ten million, two thousand, nine hundred nine".