38692997 has 6 divisors (see below), whose sum is σ = 45010278. Its totient is φ = 33165384.

The previous prime is 38692961. The next prime is 38693027. The reversal of 38692997 is 79929683.

It can be written as a sum of positive squares in only one way, i.e., 37773316 + 919681 = 6146^2 + 959^2 .

It is not a de Polignac number, because 38692997 - 2¹² = 38688901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38692937) 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, 394778 + ... + 394875.

It is an arithmetic number, because the mean of its divisors is an integer number (7501713).

Almost surely, 2^38692997 is an apocalyptic number.

It is an amenable number.

38692997 is a deficient number, since it is larger than the sum of its proper divisors (6317281).

38692997 is an equidigital number, since it uses as much as digits as its factorization.

38692997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789667 (or 789660 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 38692997 is about 6220.3695227856. The cubic root of 38692997 is about 338.2289597456.

The spelling of 38692997 in words is "thirty-eight million, six hundred ninety-two thousand, nine hundred ninety-seven".