10438566 has 12 divisors (see below), whose sum is σ = 20892972. Its totient is φ = 3476884.

The previous prime is 10438541. The next prime is 10438567. The reversal of 10438566 is 66583401.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7255 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (1741081).

Almost surely, 2^10438566 is an apocalyptic number.

10438566 is an abundant number, since it is smaller than the sum of its proper divisors (10454406).

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

10438566 is an frugal number, since it uses more digits than its factorization.

10438566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 10438566 is about 3230.8769707310. The cubic root of 10438566 is about 218.5480556957.

The spelling of 10438566 in words is "ten million, four hundred thirty-eight thousand, five hundred sixty-six".