28901046 has 8 divisors (see below), whose sum is σ = 57802104. Its totient is φ = 9633680.

The previous prime is 28901029. The next prime is 28901057. The reversal of 28901046 is 64010982.

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

28901046 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 2408415 + ... + 2408426.

It is an arithmetic number, because the mean of its divisors is an integer number (7225263).

Almost surely, 2^28901046 is an apocalyptic number.

28901046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28901046 is a wasteful number, since it uses less digits than its factorization.

28901046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816846.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28901046 is about 5375.9693079481. The cubic root of 28901046 is about 306.8818383307.

The spelling of 28901046 in words is "twenty-eight million, nine hundred one thousand, forty-six".