38932420 has 12 divisors (see below), whose sum is σ = 81758124. Its totient is φ = 15572960.

The previous prime is 38932409. The next prime is 38932423. The reversal of 38932420 is 2423983.

It can be written as a sum of positive squares in 2 ways, for example, as 10863616 + 28068804 = 3296^2 + 5298^2 .

It is not an unprimeable number, because it can be changed into a prime (38932423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973291 + ... + 973330.

It is an arithmetic number, because the mean of its divisors is an integer number (6813177).

Almost surely, 2^38932420 is an apocalyptic number.

It is an amenable number.

38932420 is an abundant number, since it is smaller than the sum of its proper divisors (42825704).

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

38932420 is a wasteful number, since it uses less digits than its factorization.

38932420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946630 (or 1946628 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 38932420 is about 6239.5849220922. The cubic root of 38932420 is about 338.9251523598.

The spelling of 38932420 in words is "thirty-eight million, nine hundred thirty-two thousand, four hundred twenty".