39916345 has 16 divisors (see below), whose sum is σ = 55249920. Its totient is φ = 27117504.

The previous prime is 39916333. The next prime is 39916363. The reversal of 39916345 is 54361993.

It is a cyclic number.

It is not a de Polignac number, because 39916345 - 2¹³ = 39908153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39916298 and 39916307.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1417 + ... + 9046.

It is an arithmetic number, because the mean of its divisors is an integer number (3453120).

Almost surely, 2^39916345 is an apocalyptic number.

39916345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39916345 is a deficient number, since it is larger than the sum of its proper divisors (15333575).

39916345 is a wasteful number, since it uses less digits than its factorization.

39916345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584.

The product of its digits is 87480, while the sum is 40.

The square root of 39916345 is about 6317.9383504431. The cubic root of 39916345 is about 341.7566095417.

The spelling of 39916345 in words is "thirty-nine million, nine hundred sixteen thousand, three hundred forty-five".