38520427 has 8 divisors (see below), whose sum is σ = 42330672. Its totient is φ = 34761600.

The previous prime is 38520413. The next prime is 38520437. The reversal of 38520427 is 72402583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38520427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38520407) 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, 11274 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (5291334).

Almost surely, 2^38520427 is an apocalyptic number.

38520427 is a deficient number, since it is larger than the sum of its proper divisors (3810245).

38520427 is a wasteful number, since it uses less digits than its factorization.

38520427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25709.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38520427 is about 6206.4826592846. The cubic root of 38520427 is about 337.7253788619.

The spelling of 38520427 in words is "thirty-eight million, five hundred twenty thousand, four hundred twenty-seven".