38720827 has 4 divisors (see below), whose sum is σ = 38746336. Its totient is φ = 38695320.

The previous prime is 38720819. The next prime is 38720837. The reversal of 38720827 is 72802783.

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 38720827 - 2³ = 38720819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38720837) 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, 10323 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (9686584).

Almost surely, 2^38720827 is an apocalyptic number.

38720827 is a deficient number, since it is larger than the sum of its proper divisors (25509).

38720827 is a wasteful number, since it uses less digits than its factorization.

38720827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25508.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 38720827 is about 6222.6061260536. The cubic root of 38720827 is about 338.3100308853.

The spelling of 38720827 in words is "thirty-eight million, seven hundred twenty thousand, eight hundred twenty-seven".