39689703 has 16 divisors (see below), whose sum is σ = 60697600. Its totient is φ = 25605720.

The previous prime is 39689693. The next prime is 39689707. The reversal of 39689703 is 30798693.

It is a happy number.

It is not a de Polignac number, because 39689703 - 2²² = 35495399 is a prime.

It is a super-4 number, since 4×39689703⁴ (a number of 31 digits) contains 4444 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 (39689707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22873 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (3793600).

Almost surely, 2^39689703 is an apocalyptic number.

39689703 is a deficient number, since it is larger than the sum of its proper divisors (21007897).

39689703 is a wasteful number, since it uses less digits than its factorization.

39689703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47459 (or 47453 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 39689703 is about 6299.9764285273. The cubic root of 39689703 is about 341.1085587003.

The spelling of 39689703 in words is "thirty-nine million, six hundred eighty-nine thousand, seven hundred three".