38071845 has 24 divisors (see below), whose sum is σ = 75419136. Its totient is φ = 17404128.

The previous prime is 38071843. The next prime is 38071871. The reversal of 38071845 is 54817083.

It is not a de Polignac number, because 38071845 - 2¹ = 38071843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38071843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60117 + ... + 60746.

It is an arithmetic number, because the mean of its divisors is an integer number (3142464).

Almost surely, 2^38071845 is an apocalyptic number.

38071845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38071845 is a deficient number, since it is larger than the sum of its proper divisors (37347291).

38071845 is a wasteful number, since it uses less digits than its factorization.

38071845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120881 (or 120878 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 38071845 is about 6170.2386501658. The cubic root of 38071845 is about 336.4092854684.

The spelling of 38071845 in words is "thirty-eight million, seventy-one thousand, eight hundred forty-five".