39880943 has 8 divisors (see below), whose sum is σ = 42040320. Its totient is φ = 37727640.

The previous prime is 39880937. The next prime is 39880969. The reversal of 39880943 is 34908893.

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 39880943 - 2²⁴ = 23103727 is a prime.

It is a super-2 number, since 2×39880943² = 3180979229138498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39880894 and 39880903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39880903) 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, 19688 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (5255040).

Almost surely, 2^39880943 is an apocalyptic number.

39880943 is a deficient number, since it is larger than the sum of its proper divisors (2159377).

39880943 is a wasteful number, since it uses less digits than its factorization.

39880943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 39880943 is about 6315.1360238715. The cubic root of 39880943 is about 341.6555444591.

The spelling of 39880943 in words is "thirty-nine million, eight hundred eighty thousand, nine hundred forty-three".