39028961 has 4 divisors (see below), whose sum is σ = 39327024. Its totient is φ = 38730900.

The previous prime is 39028949. The next prime is 39028963. The reversal of 39028961 is 16982093.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39028961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39028963) 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 3 ways as a sum of consecutive naturals, for example, 148835 + ... + 149096.

It is an arithmetic number, because the mean of its divisors is an integer number (9831756).

Almost surely, 2^39028961 is an apocalyptic number.

It is an amenable number.

39028961 is a deficient number, since it is larger than the sum of its proper divisors (298063).

39028961 is a wasteful number, since it uses less digits than its factorization.

39028961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298062.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 39028961 is about 6247.3163038220. The cubic root of 39028961 is about 339.2050661595.

The spelling of 39028961 in words is "thirty-nine million, twenty-eight thousand, nine hundred sixty-one".