38723297 has 4 divisors (see below), whose sum is σ = 41001156. Its totient is φ = 36445440.

The previous prime is 38723287. The next prime is 38723303. The reversal of 38723297 is 79232783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21492496 + 17230801 = 4636^2 + 4151^2 .

It is a cyclic number.

It is not a de Polignac number, because 38723297 - 2⁶ = 38723233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38723257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138904 + ... + 1138937.

It is an arithmetic number, because the mean of its divisors is an integer number (10250289).

Almost surely, 2^38723297 is an apocalyptic number.

It is an amenable number.

38723297 is a deficient number, since it is larger than the sum of its proper divisors (2277859).

38723297 is a wasteful number, since it uses less digits than its factorization.

38723297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277858.

The product of its digits is 127008, while the sum is 41.

The square root of 38723297 is about 6222.8045927861. The cubic root of 38723297 is about 338.3172243268.

The spelling of 38723297 in words is "thirty-eight million, seven hundred twenty-three thousand, two hundred ninety-seven".