28614738 has 16 divisors (see below), whose sum is σ = 57306816. Its totient is φ = 9525360.

The previous prime is 28614721. The next prime is 28614743. The reversal of 28614738 is 83741682.

It is a junction number, because it is equal to n+sod(n) for n = 28614696 and 28614705.

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, 2323 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (3581676).

Almost surely, 2^28614738 is an apocalyptic number.

28614738 is an abundant number, since it is smaller than the sum of its proper divisors (28692078).

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

28614738 is a wasteful number, since it uses less digits than its factorization.

28614738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449.

The product of its digits is 64512, while the sum is 39.

The square root of 28614738 is about 5349.2745302517. The cubic root of 28614738 is about 305.8650992371.

The spelling of 28614738 in words is "twenty-eight million, six hundred fourteen thousand, seven hundred thirty-eight".