39244293 has 18 divisors (see below), whose sum is σ = 62309702. Its totient is φ = 23783760.

The previous prime is 39244273. The next prime is 39244297.

39244293 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 25826724 + 13417569 = 5082^2 + 3663^2 .

It is not a de Polignac number, because 39244293 - 2¹⁸ = 38982149 is a prime.

It is a super-2 number, since 2×39244293² = 3080229066139698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39244297) 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 17 ways as a sum of consecutive naturals, for example, 16930 + ... + 19107.

Almost surely, 2^39244293 is an apocalyptic number.

39244293 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39244293 is a deficient number, since it is larger than the sum of its proper divisors (23065409).

39244293 is a wasteful number, since it uses less digits than its factorization.

39244293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36065 (or 36051 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 39244293 is about 6264.5265583283. The cubic root of 39244293 is about 339.8277472338.

The spelling of 39244293 in words is "thirty-nine million, two hundred forty-four thousand, two hundred ninety-three".