38965645 has 8 divisors (see below), whose sum is σ = 46796256. Its totient is φ = 31147536.

The previous prime is 38965643. The next prime is 38965709. The reversal of 38965645 is 54656983.

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

It is a cyclic number.

It is not a de Polignac number, because 38965645 - 2¹ = 38965643 is a prime.

It is a super-3 number, since 3×38965645³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38965595 and 38965604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38965643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6354 + ... + 10876.

It is an arithmetic number, because the mean of its divisors is an integer number (5849532).

Almost surely, 2^38965645 is an apocalyptic number.

It is an amenable number.

38965645 is a deficient number, since it is larger than the sum of its proper divisors (7830611).

38965645 is a wasteful number, since it uses less digits than its factorization.

38965645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251.

The product of its digits is 777600, while the sum is 46.

The square root of 38965645 is about 6242.2467910200. The cubic root of 38965645 is about 339.0215380659.

The spelling of 38965645 in words is "thirty-eight million, nine hundred sixty-five thousand, six hundred forty-five".