38557241 has 4 divisors (see below), whose sum is σ = 40825332. Its totient is φ = 36289152.

The previous prime is 38557237. The next prime is 38557243. The reversal of 38557241 is 14275583.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17397241 + 21160000 = 4171^2 + 4600^2 .

It is not a de Polignac number, because 38557241 - 2² = 38557237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38557243) 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, 1134020 + ... + 1134053.

It is an arithmetic number, because the mean of its divisors is an integer number (10206333).

Almost surely, 2^38557241 is an apocalyptic number.

It is an amenable number.

38557241 is a deficient number, since it is larger than the sum of its proper divisors (2268091).

38557241 is a wasteful number, since it uses less digits than its factorization.

38557241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268090.

The product of its digits is 33600, while the sum is 35.

The square root of 38557241 is about 6209.4477210135. The cubic root of 38557241 is about 337.8329327359.

The spelling of 38557241 in words is "thirty-eight million, five hundred fifty-seven thousand, two hundred forty-one".