28976450 has 12 divisors (see below), whose sum is σ = 53896290. Its totient is φ = 11590560.

The previous prime is 28976443. The next prime is 28976461. The reversal of 28976450 is 5467982.

It can be written as a sum of positive squares in 3 ways, for example, as 19123129 + 9853321 = 4373^2 + 3139^2 .

It is a super-3 number, since 3×28976450³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28976398 and 28976407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289715 + ... + 289814.

Almost surely, 2^28976450 is an apocalyptic number.

28976450 is a deficient number, since it is larger than the sum of its proper divisors (24919840).

28976450 is a wasteful number, since it uses less digits than its factorization.

28976450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579541 (or 579536 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28976450 is about 5382.9778004372. The cubic root of 28976450 is about 307.1484956085.

The spelling of 28976450 in words is "twenty-eight million, nine hundred seventy-six thousand, four hundred fifty".