38558997 has 22 divisors (see below), whose sum is σ = 57926742. Its totient is φ = 25666632.

The previous prime is 38558963. The next prime is 38559011. The reversal of 38558997 is 79985583.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 9979281 = 5346^2 + 3159^2 .

It is not a de Polignac number, because 38558997 - 2⁷ = 38558869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38553997) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 58723 + ... + 59375.

Almost surely, 2^38558997 is an apocalyptic number.

It is an amenable number.

38558997 is a deficient number, since it is larger than the sum of its proper divisors (19367745).

38558997 is an frugal number, since it uses more digits than its factorization.

38558997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 656 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 38558997 is about 6209.5891168418. The cubic root of 38558997 is about 337.8380612635.

The spelling of 38558997 in words is "thirty-eight million, five hundred fifty-eight thousand, nine hundred ninety-seven".