28901066 has 8 divisors (see below), whose sum is σ = 43512384. Its totient is φ = 14396940.

The previous prime is 28901063. The next prime is 28901069. The reversal of 28901066 is 66010982.

It is an interprime number because it is at equal distance from previous prime (28901063) and next prime (28901069).

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

It is not an unprimeable number, because it can be changed into a prime (28901063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26120 + ... + 27203.

It is an arithmetic number, because the mean of its divisors is an integer number (5439048).

Almost surely, 2^28901066 is an apocalyptic number.

28901066 is a deficient number, since it is larger than the sum of its proper divisors (14611318).

28901066 is a wasteful number, since it uses less digits than its factorization.

28901066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53596.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 28901066 is about 5375.9711680774. The cubic root of 28901066 is about 306.8819091197.

The spelling of 28901066 in words is "twenty-eight million, nine hundred one thousand, sixty-six".