39695961 has 4 divisors (see below), whose sum is σ = 52927952. Its totient is φ = 26463972.

The previous prime is 39695941. The next prime is 39696001. The reversal of 39695961 is 16959693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39695961 - 2¹⁰ = 39694937 is a prime.

It is a super-3 number, since 3×39695961³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39695961.

It is not an unprimeable number, because it can be changed into a prime (39695941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6615991 + ... + 6615996.

It is an arithmetic number, because the mean of its divisors is an integer number (13231988).

Almost surely, 2^39695961 is an apocalyptic number.

It is an amenable number.

39695961 is a deficient number, since it is larger than the sum of its proper divisors (13231991).

39695961 is a wasteful number, since it uses less digits than its factorization.

39695961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231990.

The product of its digits is 393660, while the sum is 48.

The square root of 39695961 is about 6300.4730774760. The cubic root of 39695961 is about 341.1264856437.

The spelling of 39695961 in words is "thirty-nine million, six hundred ninety-five thousand, nine hundred sixty-one".