10505386 has 4 divisors (see below), whose sum is σ = 15758082. Its totient is φ = 5252692.

The previous prime is 10505377. The next prime is 10505387. The reversal of 10505386 is 68350501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8300161 + 2205225 = 2881^2 + 1485^2 .

It is a super-2 number, since 2×10505386² = 220726270017992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626345 + ... + 2626348.

Almost surely, 2^10505386 is an apocalyptic number.

10505386 is a deficient number, since it is larger than the sum of its proper divisors (5252696).

10505386 is an equidigital number, since it uses as much as digits as its factorization.

10505386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252695.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10505386 is about 3241.2013204983. The cubic root of 10505386 is about 219.0133920072.

Adding to 10505386 its reverse (68350501), we get a palindrome (78855887).

The spelling of 10505386 in words is "ten million, five hundred five thousand, three hundred eighty-six".