38521385 has 8 divisors (see below), whose sum is σ = 52829376. Its totient is φ = 26414640.

The previous prime is 38521339. The next prime is 38521411. The reversal of 38521385 is 58312583.

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

It is not a de Polignac number, because 38521385 - 2⁶ = 38521321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1100611 = 38521385 / (3 + 8 + 5 + 2 + 1 + 3 + 8 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550271 + ... + 550340.

It is an arithmetic number, because the mean of its divisors is an integer number (6603672).

Almost surely, 2^38521385 is an apocalyptic number.

38521385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38521385 is a deficient number, since it is larger than the sum of its proper divisors (14307991).

38521385 is a wasteful number, since it uses less digits than its factorization.

38521385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100623.

The product of its digits is 28800, while the sum is 35.

The square root of 38521385 is about 6206.5598361733. The cubic root of 38521385 is about 337.7281785733.

The spelling of 38521385 in words is "thirty-eight million, five hundred twenty-one thousand, three hundred eighty-five".