38429245 has 4 divisors (see below), whose sum is σ = 46115100. Its totient is φ = 30743392.

The previous prime is 38429239. The next prime is 38429269. The reversal of 38429245 is 54292483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54292483 = 7 ⋅7756069.

It can be written as a sum of positive squares in 2 ways, for example, as 28955161 + 9474084 = 5381^2 + 3078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38429245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842920 + ... + 3842929.

It is an arithmetic number, because the mean of its divisors is an integer number (11528775).

Almost surely, 2^38429245 is an apocalyptic number.

It is an amenable number.

38429245 is a deficient number, since it is larger than the sum of its proper divisors (7685855).

38429245 is an equidigital number, since it uses as much as digits as its factorization.

38429245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685854.

The product of its digits is 69120, while the sum is 37.

The square root of 38429245 is about 6199.1326006144. The cubic root of 38429245 is about 337.4586908746.

It can be divided in two parts, 3 and 8429245, that added together give a palindrome (8429248).

The spelling of 38429245 in words is "thirty-eight million, four hundred twenty-nine thousand, two hundred forty-five".