38968897 has 6 divisors (see below), whose sum is σ = 42833714. Its totient is φ = 35426160.

The previous prime is 38968889. The next prime is 38968903. The reversal of 38968897 is 79886983.

It can be written as a sum of positive squares in only one way, i.e., 27415696 + 11553201 = 5236^2 + 3399^2 .

It is not a de Polignac number, because 38968897 - 2³ = 38968889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38968597) 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 5 ways as a sum of consecutive naturals, for example, 160908 + ... + 161149.

Almost surely, 2^38968897 is an apocalyptic number.

It is an amenable number.

38968897 is a deficient number, since it is larger than the sum of its proper divisors (3864817).

38968897 is a wasteful number, since it uses less digits than its factorization.

38968897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322079 (or 322068 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 38968897 is about 6242.5072687182. The cubic root of 38968897 is about 339.0309691718.

The spelling of 38968897 in words is "thirty-eight million, nine hundred sixty-eight thousand, eight hundred ninety-seven".