28738546 has 16 divisors (see below), whose sum is σ = 45748800. Its totient is φ = 13510288.

The previous prime is 28738543. The next prime is 28738547. The reversal of 28738546 is 64583782.

It is not an unprimeable number, because it can be changed into a prime (28738543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581 + ... + 8008.

It is an arithmetic number, because the mean of its divisors is an integer number (2859300).

Almost surely, 2^28738546 is an apocalyptic number.

28738546 is a deficient number, since it is larger than the sum of its proper divisors (17010254).

28738546 is a wasteful number, since it uses less digits than its factorization.

28738546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673.

The product of its digits is 322560, while the sum is 43.

The square root of 28738546 is about 5360.8344499714. The cubic root of 28738546 is about 306.3055955711.

The spelling of 28738546 in words is "twenty-eight million, seven hundred thirty-eight thousand, five hundred forty-six".