38325645 has 24 divisors (see below), whose sum is σ = 67027896. Its totient is φ = 20256768.

The previous prime is 38325643. The next prime is 38325653. The reversal of 38325645 is 54652383.

It is a happy number.

38325645 is a `hidden beast` number, since 3 + 8 + 3 + 2 + 5 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 38266596 = 243^2 + 6186^2 .

It is not a de Polignac number, because 38325645 - 2¹ = 38325643 is a prime.

It is a super-3 number, since 3×38325645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38325643) 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, 1317 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (2792829).

Almost surely, 2^38325645 is an apocalyptic number.

It is an amenable number.

38325645 is a deficient number, since it is larger than the sum of its proper divisors (28702251).

38325645 is a wasteful number, since it uses less digits than its factorization.

38325645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661 (or 7658 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 38325645 is about 6190.7709536051. The cubic root of 38325645 is about 337.1551704354.

The spelling of 38325645 in words is "thirty-eight million, three hundred twenty-five thousand, six hundred forty-five".