38765645 has 8 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 30575440.

The previous prime is 38765633. The next prime is 38765653. The reversal of 38765645 is 54656783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38765645 - 2⁶ = 38765581 is a prime.

It is a super-3 number, since 3×38765645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38765596 and 38765605.

It is a congruent 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, 54245 + ... + 54954.

It is an arithmetic number, because the mean of its divisors is an integer number (5896800).

Almost surely, 2^38765645 is an apocalyptic number.

It is an amenable number.

38765645 is a deficient number, since it is larger than the sum of its proper divisors (8408755).

38765645 is a wasteful number, since it uses less digits than its factorization.

38765645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109275.

The product of its digits is 604800, while the sum is 44.

The square root of 38765645 is about 6226.2063088208. The cubic root of 38765645 is about 338.4405078915.

The spelling of 38765645 in words is "thirty-eight million, seven hundred sixty-five thousand, six hundred forty-five".