38427387 has 4 divisors (see below), whose sum is σ = 51236520. Its totient is φ = 25618256.

The previous prime is 38427359. The next prime is 38427391. The reversal of 38427387 is 78372483.

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

It is a cyclic number.

It is not a de Polignac number, because 38427387 - 2²⁰ = 37378811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38427317) 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, 6404562 + ... + 6404567.

It is an arithmetic number, because the mean of its divisors is an integer number (12809130).

Almost surely, 2^38427387 is an apocalyptic number.

38427387 is a deficient number, since it is larger than the sum of its proper divisors (12809133).

38427387 is a wasteful number, since it uses less digits than its factorization.

38427387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12809132.

The product of its digits is 225792, while the sum is 42.

The square root of 38427387 is about 6198.9827391274. The cubic root of 38427387 is about 337.4532522357.

The spelling of 38427387 in words is "thirty-eight million, four hundred twenty-seven thousand, three hundred eighty-seven".