38845069 has 4 divisors (see below), whose sum is σ = 39503520. Its totient is φ = 38186620.

The previous prime is 38845057. The next prime is 38845073. The reversal of 38845069 is 96054883.

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 38845069 - 2⁷ = 38844941 is a prime.

It is a super-2 number, since 2×38845069² = 3017878771229522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38845049) 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, 329137 + ... + 329254.

It is an arithmetic number, because the mean of its divisors is an integer number (9875880).

Almost surely, 2^38845069 is an apocalyptic number.

It is an amenable number.

38845069 is a deficient number, since it is larger than the sum of its proper divisors (658451).

38845069 is an equidigital number, since it uses as much as digits as its factorization.

38845069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658450.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 38845069 is about 6232.5812469634. The cubic root of 38845069 is about 338.6714852779.

The spelling of 38845069 in words is "thirty-eight million, eight hundred forty-five thousand, sixty-nine".