38965648 has 30 divisors (see below), whose sum is σ = 76711794. Its totient is φ = 19173888.

The previous prime is 38965643. The next prime is 38965709. The reversal of 38965648 is 84656983.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14837904 + 24127744 = 3852^2 + 4912^2 .

It is a super-3 number, since 3×38965648³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38965643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85036 + ... + 85492.

Almost surely, 2^38965648 is an apocalyptic number.

It is an amenable number.

38965648 is a deficient number, since it is larger than the sum of its proper divisors (37746146).

38965648 is an equidigital number, since it uses as much as digits as its factorization.

38965648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 532 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 38965648 is about 6242.2470313181. The cubic root of 38965648 is about 339.0215467664.

The spelling of 38965648 in words is "thirty-eight million, nine hundred sixty-five thousand, six hundred forty-eight".