10209146 has 16 divisors (see below), whose sum is σ = 16593984. Its totient is φ = 4691904.

The previous prime is 10209127. The next prime is 10209169. The reversal of 10209146 is 64190201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (1037124).

Almost surely, 2^10209146 is an apocalyptic number.

10209146 is a deficient number, since it is larger than the sum of its proper divisors (6384838).

10209146 is a wasteful number, since it uses less digits than its factorization.

10209146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10209146 is about 3195.1754255440. The cubic root of 10209146 is about 216.9350892802.

Adding to 10209146 its reverse (64190201), we get a palindrome (74399347).

The spelling of 10209146 in words is "ten million, two hundred nine thousand, one hundred forty-six".