38323845 has 48 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 17309952.

The previous prime is 38323777. The next prime is 38323849. The reversal of 38323845 is 54832383.

38323845 is a `hidden beast` number, since 383 + 238 + 45 = 666.

It is not a de Polignac number, because 38323845 - 2¹⁷ = 38192773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38323849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27352 + ... + 28718.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^38323845 is an apocalyptic number.

38323845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38323845 is an abundant number, since it is smaller than the sum of its proper divisors (38503035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38323845 is a wasteful number, since it uses less digits than its factorization.

38323845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1471 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 38323845 is about 6190.6255742049. The cubic root of 38323845 is about 337.1498920828.

The spelling of 38323845 in words is "thirty-eight million, three hundred twenty-three thousand, eight hundred forty-five".