39695616 has 72 divisors (see below), whose sum is σ = 117407360. Its totient is φ = 13229568.

The previous prime is 39695611. The next prime is 39695627. The reversal of 39695616 is 61659693.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39695611) 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 7 ways as a sum of consecutive naturals, for example, 4041 + ... + 9783.

Almost surely, 2^39695616 is an apocalyptic number.

39695616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39695616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58703680).

39695616 is an abundant number, since it is smaller than the sum of its proper divisors (77711744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39695616 is an equidigital number, since it uses as much as digits as its factorization.

39695616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768 (or 5748 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 39695616 is about 6300.4456985201. The cubic root of 39695616 is about 341.1254973905.

The spelling of 39695616 in words is "thirty-nine million, six hundred ninety-five thousand, six hundred sixteen".