38440297 has 8 divisors (see below), whose sum is σ = 44367552. Its totient is φ = 32622000.

The previous prime is 38440289. The next prime is 38440331. The reversal of 38440297 is 79204483.

It is a happy number.

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 38440297 - 2³ = 38440289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38440277) 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, 26479 + ... + 27892.

It is an arithmetic number, because the mean of its divisors is an integer number (5545944).

Almost surely, 2^38440297 is an apocalyptic number.

It is an amenable number.

38440297 is a deficient number, since it is larger than the sum of its proper divisors (5927255).

38440297 is a wasteful number, since it uses less digits than its factorization.

38440297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54479.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 38440297 is about 6200.0239515666. The cubic root of 38440297 is about 337.4910380794.

The spelling of 38440297 in words is "thirty-eight million, four hundred forty thousand, two hundred ninety-seven".