10209234 has 16 divisors (see below), whose sum is σ = 23335488. Its totient is φ = 2916912.

The previous prime is 10209233. The next prime is 10209281. The reversal of 10209234 is 43290201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10209234.

It is not an unprimeable number, because it can be changed into a prime (10209233) 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, 121497 + ... + 121580.

It is an arithmetic number, because the mean of its divisors is an integer number (1458468).

Almost surely, 2^10209234 is an apocalyptic number.

10209234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10209234 is an abundant number, since it is smaller than the sum of its proper divisors (13126254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10209234 is a wasteful number, since it uses less digits than its factorization.

10209234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243089.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10209234 is about 3195.1891962762. The cubic root of 10209234 is about 216.9357125851.

Adding to 10209234 its reverse (43290201), we get a palindrome (53499435).

The spelling of 10209234 in words is "ten million, two hundred nine thousand, two hundred thirty-four".