28894070 has 16 divisors (see below), whose sum is σ = 52891920. Its totient is φ = 11361504.

The previous prime is 28894051. The next prime is 28894081. The reversal of 28894070 is 7049882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23897 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (3305745).

Almost surely, 2^28894070 is an apocalyptic number.

28894070 is a deficient number, since it is larger than the sum of its proper divisors (23997850).

28894070 is a wasteful number, since it uses less digits than its factorization.

28894070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49039.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 28894070 is about 5375.3204555636. The cubic root of 28894070 is about 306.8571451071.

The spelling of 28894070 in words is "twenty-eight million, eight hundred ninety-four thousand, seventy".