28701934 has 8 divisors (see below), whose sum is σ = 43293960. Its totient is φ = 14270616.

The previous prime is 28701931. The next prime is 28701943. The reversal of 28701934 is 43910782.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28701934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28701931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39729 + ... + 40444.

It is an arithmetic number, because the mean of its divisors is an integer number (5411745).

Almost surely, 2^28701934 is an apocalyptic number.

28701934 is a deficient number, since it is larger than the sum of its proper divisors (14592026).

28701934 is a wasteful number, since it uses less digits than its factorization.

28701934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80354.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28701934 is about 5357.4185948085. The cubic root of 28701934 is about 306.1754657433.

The spelling of 28701934 in words is "twenty-eight million, seven hundred one thousand, nine hundred thirty-four".