38242457 has 4 divisors (see below), whose sum is σ = 41719056. Its totient is φ = 34765860.

The previous prime is 38242453. The next prime is 38242481. The reversal of 38242457 is 75424283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38242457 - 2² = 38242453 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (38242453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738283 + ... + 1738304.

It is an arithmetic number, because the mean of its divisors is an integer number (10429764).

Almost surely, 2^38242457 is an apocalyptic number.

It is an amenable number.

38242457 is a deficient number, since it is larger than the sum of its proper divisors (3476599).

38242457 is a wasteful number, since it uses less digits than its factorization.

38242457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476598.

The product of its digits is 53760, while the sum is 35.

The square root of 38242457 is about 6184.0485929527. The cubic root of 38242457 is about 336.9110555479.

The spelling of 38242457 in words is "thirty-eight million, two hundred forty-two thousand, four hundred fifty-seven".