38578141 has 6 divisors (see below), whose sum is σ = 44876670. Its totient is φ = 33066936.

The previous prime is 38578139. The next prime is 38578147. The reversal of 38578141 is 14187583.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 7452900 = 5579^2 + 2730^2 .

It is not a de Polignac number, because 38578141 - 2¹ = 38578139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38578141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38578147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393606 + ... + 393703.

It is an arithmetic number, because the mean of its divisors is an integer number (7479445).

Almost surely, 2^38578141 is an apocalyptic number.

It is an amenable number.

38578141 is a deficient number, since it is larger than the sum of its proper divisors (6298529).

38578141 is an equidigital number, since it uses as much as digits as its factorization.

38578141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787323 (or 787316 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 38578141 is about 6211.1304124129. The cubic root of 38578141 is about 337.8939626293.

The spelling of 38578141 in words is "thirty-eight million, five hundred seventy-eight thousand, one hundred forty-one".