39069944 has 16 divisors (see below), whose sum is σ = 77565600. Its totient is φ = 18385792.

The previous prime is 39069937. The next prime is 39069949. The reversal of 39069944 is 44996093.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39069895 and 39069904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39069949) 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, 143504 + ... + 143775.

It is an arithmetic number, because the mean of its divisors is an integer number (4847850).

Almost surely, 2^39069944 is an apocalyptic number.

39069944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39069944 is a deficient number, since it is larger than the sum of its proper divisors (38495656).

39069944 is a wasteful number, since it uses less digits than its factorization.

39069944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287302 (or 287298 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 39069944 is about 6250.5954916312. The cubic root of 39069944 is about 339.3237539051.

The spelling of 39069944 in words is "thirty-nine million, sixty-nine thousand, nine hundred forty-four".