38997347 has 6 divisors (see below), whose sum is σ = 39749892. Its totient is φ = 38258792.

The previous prime is 38997341. The next prime is 38997353. The reversal of 38997347 is 74379983.

It is an interprime number because it is at equal distance from previous prime (38997341) and next prime (38997353).

It is not a de Polignac number, because 38997347 - 2¹⁶ = 38931811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38997295 and 38997304.

It is not an unprimeable number, because it can be changed into a prime (38997341) 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, 4133 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (6624982).

Almost surely, 2^38997347 is an apocalyptic number.

38997347 is a deficient number, since it is larger than the sum of its proper divisors (752545).

38997347 is an equidigital number, since it uses as much as digits as its factorization.

38997347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989 (or 13936 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 38997347 is about 6244.7855847899. The cubic root of 38997347 is about 339.1134544826.

The spelling of 38997347 in words is "thirty-eight million, nine hundred ninety-seven thousand, three hundred forty-seven".