28800446 has 4 divisors (see below), whose sum is σ = 43200672. Its totient is φ = 14400222.

The previous prime is 28800413. The next prime is 28800461. The reversal of 28800446 is 64400882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200110 + ... + 7200113.

It is an arithmetic number, because the mean of its divisors is an integer number (10800168).

Almost surely, 2^28800446 is an apocalyptic number.

28800446 is a deficient number, since it is larger than the sum of its proper divisors (14400226).

28800446 is a wasteful number, since it uses less digits than its factorization.

28800446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400225.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 28800446 is about 5366.6046994352. The cubic root of 28800446 is about 306.5253552363.

The spelling of 28800446 in words is "twenty-eight million, eight hundred thousand, four hundred forty-six".