28946994 has 32 divisors (see below), whose sum is σ = 62914560. Its totient is φ = 8845200.

The previous prime is 28946977. The next prime is 28946999. The reversal of 28946994 is 49964982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28946999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (1966080).

Almost surely, 2^28946994 is an apocalyptic number.

28946994 is an abundant number, since it is smaller than the sum of its proper divisors (33967566).

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

28946994 is a wasteful number, since it uses less digits than its factorization.

28946994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246.

The product of its digits is 1119744, while the sum is 51.

The square root of 28946994 is about 5380.2410726658. The cubic root of 28946994 is about 307.0443830904.

The spelling of 28946994 in words is "twenty-eight million, nine hundred forty-six thousand, nine hundred ninety-four".