105009436 has 12 divisors (see below), whose sum is σ = 210018928. Its totient is φ = 45004032.

The previous prime is 105009403. The next prime is 105009449. The reversal of 105009436 is 634900501.

105009436 is an admirable number.

It is a super-2 number, since 2×105009436² = 22053963298076192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3750337 = 105009436 / (1 + 0 + 5 + 0 + 0 + 9 + 4 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875141 + ... + 1875196.

Almost surely, 2^105009436 is an apocalyptic number.

It is an amenable number.

105009436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105009436 is a wasteful number, since it uses less digits than its factorization.

105009436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750348 (or 3750346 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 105009436 is about 10247.4111852702. The cubic root of 105009436 is about 471.7835297228.

Adding to 105009436 its reverse (634900501), we get a palindrome (739909937).

The spelling of 105009436 in words is "one hundred five million, nine thousand, four hundred thirty-six".