28396070 has 32 divisors (see below), whose sum is σ = 54362880. Its totient is φ = 10648800.

The previous prime is 28396033. The next prime is 28396079. The reversal of 28396070 is 7069382.

It is a self number, because there is not a number n which added to its sum of digits gives 28396070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28396079) 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 15 ways as a sum of consecutive naturals, for example, 18845 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 2^28396070 is an apocalyptic number.

28396070 is a deficient number, since it is larger than the sum of its proper divisors (25966810).

28396070 is a wasteful number, since it uses less digits than its factorization.

28396070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 28396070 is about 5328.7962993532. The cubic root of 28396070 is about 305.0839865457.

The spelling of 28396070 in words is "twenty-eight million, three hundred ninety-six thousand, seventy".