28636354 has 4 divisors (see below), whose sum is σ = 42954534. Its totient is φ = 14318176.

The previous prime is 28636351. The next prime is 28636379. The reversal of 28636354 is 45363682.

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

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 11189025 = 4177^2 + 3345^2 .

It is a super-3 number, since 3×28636354³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28636351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7159087 + ... + 7159090.

Almost surely, 2^28636354 is an apocalyptic number.

28636354 is a deficient number, since it is larger than the sum of its proper divisors (14318180).

28636354 is a wasteful number, since it uses less digits than its factorization.

28636354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14318179.

The product of its digits is 103680, while the sum is 37.

The square root of 28636354 is about 5351.2946097183. The cubic root of 28636354 is about 305.9420982047.

The spelling of 28636354 in words is "twenty-eight million, six hundred thirty-six thousand, three hundred fifty-four".