28350976 has 20 divisors (see below), whose sum is σ = 56647602. Its totient is φ = 14175232.

The previous prime is 28350953. The next prime is 28350979. The reversal of 28350976 is 67905382.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 6969600 = 4624^2 + 2640^2 .

It is not an unprimeable number, because it can be changed into a prime (28350979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27175 + ... + 28198.

Almost surely, 2^28350976 is an apocalyptic number.

It is an amenable number.

28350976 is a deficient number, since it is larger than the sum of its proper divisors (28296626).

28350976 is an frugal number, since it uses more digits than its factorization.

28350976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55391 (or 55375 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28350976 is about 5324.5634562845. The cubic root of 28350976 is about 304.9224061325.

The spelling of 28350976 in words is "twenty-eight million, three hundred fifty thousand, nine hundred seventy-six".