39232993 has 6 divisors (see below), whose sum is σ = 39453494. Its totient is φ = 39013536.

The previous prime is 39232981. The next prime is 39232997. The reversal of 39232993 is 39923293.

39232993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32638369 + 6594624 = 5713^2 + 2568^2 .

It is a de Polignac number, because none of the positive numbers 2^k-39232993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39232997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85621 + ... + 86077.

Almost surely, 2^39232993 is an apocalyptic number.

It is an amenable number.

39232993 is a deficient number, since it is larger than the sum of its proper divisors (220501).

39232993 is an frugal number, since it uses more digits than its factorization.

39232993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 750 counting only the distinct ones).

The product of its digits is 78732, while the sum is 40.

The square root of 39232993 is about 6263.6245896446. The cubic root of 39232993 is about 339.7951274405.

The spelling of 39232993 in words is "thirty-nine million, two hundred thirty-two thousand, nine hundred ninety-three".