39274229 has 4 divisors (see below), whose sum is σ = 39302400. Its totient is φ = 39246060.

The previous prime is 39274163. The next prime is 39274283. The reversal of 39274229 is 92247293.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92247293 = 167 ⋅552379.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39274229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39274192 and 39274201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39274129) 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, 11879 + ... + 14820.

It is an arithmetic number, because the mean of its divisors is an integer number (9825600).

Almost surely, 2^39274229 is an apocalyptic number.

It is an amenable number.

39274229 is a deficient number, since it is larger than the sum of its proper divisors (28171).

39274229 is a wasteful number, since it uses less digits than its factorization.

39274229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28170.

The product of its digits is 54432, while the sum is 38.

The square root of 39274229 is about 6266.9154294597. The cubic root of 39274229 is about 339.9141334490.

The spelling of 39274229 in words is "thirty-nine million, two hundred seventy-four thousand, two hundred twenty-nine".