38417645 has 16 divisors (see below), whose sum is σ = 52904448. Its totient is φ = 26234880.

The previous prime is 38417623. The next prime is 38417647. The reversal of 38417645 is 54671483.

38417645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38417645 - 2¹⁸ = 38155501 is a prime.

It is a super-3 number, since 3×38417645³ (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 = 38417599 and 38417608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38417647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6860 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (3306528).

Almost surely, 2^38417645 is an apocalyptic number.

38417645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38417645 is a deficient number, since it is larger than the sum of its proper divisors (14486803).

38417645 is a wasteful number, since it uses less digits than its factorization.

38417645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its digits is 80640, while the sum is 38.

The square root of 38417645 is about 6198.1969152327. The cubic root of 38417645 is about 337.4247331014.

The spelling of 38417645 in words is "thirty-eight million, four hundred seventeen thousand, six hundred forty-five".