38212797 has 24 divisors (see below), whose sum is σ = 59622912. Its totient is φ = 21705600.

The previous prime is 38212793. The next prime is 38212829. The reversal of 38212797 is 79721283.

38212797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38212797 - 2² = 38212793 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38212793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27397 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (2484288).

Almost surely, 2^38212797 is an apocalyptic number.

It is an amenable number.

38212797 is a deficient number, since it is larger than the sum of its proper divisors (21410115).

38212797 is a wasteful number, since it uses less digits than its factorization.

38212797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1562 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 38212797 is about 6181.6500224455. The cubic root of 38212797 is about 336.8239327774.

The spelling of 38212797 in words is "thirty-eight million, two hundred twelve thousand, seven hundred ninety-seven".