38397329 has 8 divisors (see below), whose sum is σ = 38745000. Its totient is φ = 38051712.

The previous prime is 38397301. The next prime is 38397341. The reversal of 38397329 is 92379383.

It can be written as a sum of positive squares in 4 ways, for example, as 8673025 + 29724304 = 2945^2 + 5452^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38397329 - 2¹⁶ = 38331793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38397329.

It is not an unprimeable number, because it can be changed into a prime (38397389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93677 + ... + 94085.

It is an arithmetic number, because the mean of its divisors is an integer number (4843125).

Almost surely, 2^38397329 is an apocalyptic number.

It is an amenable number.

38397329 is a deficient number, since it is larger than the sum of its proper divisors (347671).

38397329 is a wasteful number, since it uses less digits than its factorization.

38397329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 244944, while the sum is 44.

The square root of 38397329 is about 6196.5578347983. The cubic root of 38397329 is about 337.3652436871.

The spelling of 38397329 in words is "thirty-eight million, three hundred ninety-seven thousand, three hundred twenty-nine".