38445169 has 4 divisors (see below), whose sum is σ = 43937344. Its totient is φ = 32952996.

The previous prime is 38445163. The next prime is 38445179. The reversal of 38445169 is 96154483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38445169 - 2⁵ = 38445137 is a prime.

It is a super-2 number, since 2×38445169² = 2956062038877122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38445163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746077 + ... + 2746090.

It is an arithmetic number, because the mean of its divisors is an integer number (10984336).

Almost surely, 2^38445169 is an apocalyptic number.

It is an amenable number.

38445169 is a deficient number, since it is larger than the sum of its proper divisors (5492175).

38445169 is an equidigital number, since it uses as much as digits as its factorization.

38445169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492174.

The product of its digits is 103680, while the sum is 40.

The square root of 38445169 is about 6200.4168408261. The cubic root of 38445169 is about 337.5052955731.

The spelling of 38445169 in words is "thirty-eight million, four hundred forty-five thousand, one hundred sixty-nine".