39602045 has 12 divisors (see below), whose sum is σ = 55281564. Its totient is φ = 27155520.

The previous prime is 39602041. The next prime is 39602047. The reversal of 39602045 is 54020693.

It can be written as a sum of positive squares in 2 ways, for example, as 14341369 + 25260676 = 3787^2 + 5026^2 .

It is not a de Polignac number, because 39602045 - 2² = 39602041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39601999 and 39602017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39602041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80576 + ... + 81065.

It is an arithmetic number, because the mean of its divisors is an integer number (4606797).

Almost surely, 2^39602045 is an apocalyptic number.

39602045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39602045 is a deficient number, since it is larger than the sum of its proper divisors (15679519).

39602045 is a wasteful number, since it uses less digits than its factorization.

39602045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161660 (or 161653 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 39602045 is about 6293.0155728395. The cubic root of 39602045 is about 340.8572514199.

The spelling of 39602045 in words is "thirty-nine million, six hundred two thousand, forty-five".