39354939 has 24 divisors (see below), whose sum is σ = 62880272. Its totient is φ = 23561280.

The previous prime is 39354901. The next prime is 39354941. The reversal of 39354939 is 93945393.

It is not a de Polignac number, because 39354939 - 2⁸ = 39354683 is a prime.

It is a super-2 number, since 2×39354939² = 3097622447387442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39354894 and 39354903.

It is not an unprimeable number, because it can be changed into a prime (39354989) 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 23 ways as a sum of consecutive naturals, for example, 217 + ... + 8874.

Almost surely, 2^39354939 is an apocalyptic number.

39354939 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

39354939 is a deficient number, since it is larger than the sum of its proper divisors (23525333).

39354939 is a wasteful number, since it uses less digits than its factorization.

39354939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147 (or 9144 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 39354939 is about 6273.3514966085. The cubic root of 39354939 is about 340.1468195206.

The spelling of 39354939 in words is "thirty-nine million, three hundred fifty-four thousand, nine hundred thirty-nine".