28477016 has 8 divisors (see below), whose sum is σ = 53394420. Its totient is φ = 14238504.

The previous prime is 28476983. The next prime is 28477019. The reversal of 28477016 is 61077482.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28477019) by changing a digit.

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 as a sum of consecutive naturals, namely, 1779806 + ... + 1779821.

Almost surely, 2^28477016 is an apocalyptic number.

It is an amenable number.

28477016 is a deficient number, since it is larger than the sum of its proper divisors (24917404).

28477016 is a wasteful number, since it uses less digits than its factorization.

28477016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559633 (or 3559629 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 28477016 is about 5336.3860430070. The cubic root of 28477016 is about 305.3736029130.

The spelling of 28477016 in words is "twenty-eight million, four hundred seventy-seven thousand, sixteen".