28944106 has 16 divisors (see below), whose sum is σ = 45984960. Its totient is φ = 13625280.

The previous prime is 28944103. The next prime is 28944107. The reversal of 28944106 is 60144982.

It is a super-2 number, since 2×28944106² = 1675522544278472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28944103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066 + ... + 8626.

It is an arithmetic number, because the mean of its divisors is an integer number (2874060).

Almost surely, 2^28944106 is an apocalyptic number.

28944106 is a deficient number, since it is larger than the sum of its proper divisors (17040854).

28944106 is a wasteful number, since it uses less digits than its factorization.

28944106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28944106 is about 5379.9726765105. The cubic root of 28944106 is about 307.0341716252.

The spelling of 28944106 in words is "twenty-eight million, nine hundred forty-four thousand, one hundred six".