39428543 has 8 divisors (see below), whose sum is σ = 49157760. Its totient is φ = 30723480.

The previous prime is 39428539. The next prime is 39428561. The reversal of 39428543 is 34582493.

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 39428543 - 2² = 39428539 is a prime.

It is a super-2 number, since 2×39428543² = 3109220006205698, 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 = 39428497 and 39428506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428563) 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, 255953 + ... + 256106.

It is an arithmetic number, because the mean of its divisors is an integer number (6144720).

Almost surely, 2^39428543 is an apocalyptic number.

39428543 is a deficient number, since it is larger than the sum of its proper divisors (9729217).

39428543 is a wasteful number, since it uses less digits than its factorization.

39428543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512077.

The product of its digits is 103680, while the sum is 38.

The square root of 39428543 is about 6279.2151579636. The cubic root of 39428543 is about 340.3587418806.

The spelling of 39428543 in words is "thirty-nine million, four hundred twenty-eight thousand, five hundred forty-three".