39434965 has 8 divisors (see below), whose sum is σ = 47970648. Its totient is φ = 31115520.

The previous prime is 39434959. The next prime is 39434971. The reversal of 39434965 is 56943493.

It is an interprime number because it is at equal distance from previous prime (39434959) and next prime (39434971).

It can be written as a sum of positive squares in 4 ways, for example, as 4848804 + 34586161 = 2202^2 + 5881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39434965 - 2²¹ = 37337813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53656 + ... + 54385.

It is an arithmetic number, because the mean of its divisors is an integer number (5996331).

Almost surely, 2^39434965 is an apocalyptic number.

It is an amenable number.

39434965 is a deficient number, since it is larger than the sum of its proper divisors (8535683).

39434965 is a wasteful number, since it uses less digits than its factorization.

39434965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108119.

The product of its digits is 349920, while the sum is 43.

The square root of 39434965 is about 6279.7265067836. The cubic root of 39434965 is about 340.3772197396.

The spelling of 39434965 in words is "thirty-nine million, four hundred thirty-four thousand, nine hundred sixty-five".