39896693 has 8 divisors (see below), whose sum is σ = 41092440. Its totient is φ = 38707200.

The previous prime is 39896677. The next prime is 39896711. The reversal of 39896693 is 39669893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15225604 + 24671089 = 3902^2 + 4967^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39896693 - 2⁴ = 39896677 is a prime.

It is a super-2 number, since 2×39896693² = 3183492224672498, which contains 22 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 (39896293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13493 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (5136555).

Almost surely, 2^39896693 is an apocalyptic number.

It is an amenable number.

39896693 is a deficient number, since it is larger than the sum of its proper divisors (1195747).

39896693 is a wasteful number, since it uses less digits than its factorization.

39896693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its digits is 1889568, while the sum is 53.

The square root of 39896693 is about 6316.3829047961. The cubic root of 39896693 is about 341.7005146981.

The spelling of 39896693 in words is "thirty-nine million, eight hundred ninety-six thousand, six hundred ninety-three".