28904962 has 8 divisors (see below), whose sum is σ = 43497792. Its totient is φ = 14405700.

The previous prime is 28904923. The next prime is 28904963. The reversal of 28904962 is 26940982.

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 (28904963) 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, 22614 + ... + 23857.

It is an arithmetic number, because the mean of its divisors is an integer number (5437224).

Almost surely, 2^28904962 is an apocalyptic number.

28904962 is a deficient number, since it is larger than the sum of its proper divisors (14592830).

28904962 is a wasteful number, since it uses less digits than its factorization.

28904962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46784.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 28904962 is about 5376.3335090003. Note that the first 3 decimals coincide. The cubic root of 28904962 is about 306.8956982097.

The spelling of 28904962 in words is "twenty-eight million, nine hundred four thousand, nine hundred sixty-two".