28932026 has 8 divisors (see below), whose sum is σ = 43560180. Its totient is φ = 14411968.

The previous prime is 28932023. The next prime is 28932037. The reversal of 28932026 is 62023982.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 8673025 = 4501^2 + 2945^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 28931983 and 28932001.

It is not an unprimeable number, because it can be changed into a prime (28932023) 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, 26351 + ... + 27426.

Almost surely, 2^28932026 is an apocalyptic number.

28932026 is a deficient number, since it is larger than the sum of its proper divisors (14628154).

28932026 is a wasteful number, since it uses less digits than its factorization.

28932026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54048.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28932026 is about 5378.8498770648. The cubic root of 28932026 is about 306.9914514838.

The spelling of 28932026 in words is "twenty-eight million, nine hundred thirty-two thousand, twenty-six".