28454736 has 40 divisors (see below), whose sum is σ = 77834304. Its totient is φ = 8926720.

The previous prime is 28454717. The next prime is 28454791. The reversal of 28454736 is 63745482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28454694 and 28454703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16620 + ... + 18251.

Almost surely, 2^28454736 is an apocalyptic number.

It is an amenable number.

28454736 is an abundant number, since it is smaller than the sum of its proper divisors (49379568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28454736 is a wasteful number, since it uses less digits than its factorization.

28454736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34899 (or 34893 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 28454736 is about 5334.2980794103. The cubic root of 28454736 is about 305.2939421903.

The spelling of 28454736 in words is "twenty-eight million, four hundred fifty-four thousand, seven hundred thirty-six".