38632945 has 16 divisors (see below), whose sum is σ = 50238720. Its totient is φ = 28350144.

The previous prime is 38632943. The next prime is 38632949. The reversal of 38632945 is 54923683.

It is a cyclic number.

It is not a de Polignac number, because 38632945 - 2¹ = 38632943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38632898 and 38632907.

It is not an unprimeable number, because it can be changed into a prime (38632943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9076 + ... + 12634.

It is an arithmetic number, because the mean of its divisors is an integer number (3139920).

Almost surely, 2^38632945 is an apocalyptic number.

It is an amenable number.

38632945 is a deficient number, since it is larger than the sum of its proper divisors (11605775).

38632945 is a wasteful number, since it uses less digits than its factorization.

38632945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744.

The product of its digits is 155520, while the sum is 40.

The square root of 38632945 is about 6215.5406040022. The cubic root of 38632945 is about 338.0538906638.

The spelling of 38632945 in words is "thirty-eight million, six hundred thirty-two thousand, nine hundred forty-five".