28457654 has 16 divisors (see below), whose sum is σ = 43946496. Its totient is φ = 13813800.

The previous prime is 28457641. The next prime is 28457669. The reversal of 28457654 is 45675482.

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, 11159 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (2746656).

Almost surely, 2^28457654 is an apocalyptic number.

28457654 is a deficient number, since it is larger than the sum of its proper divisors (15488842).

28457654 is a wasteful number, since it uses less digits than its factorization.

28457654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its digits is 268800, while the sum is 41.

The square root of 28457654 is about 5334.5715854228. The cubic root of 28457654 is about 305.3043776795.

The spelling of 28457654 in words is "twenty-eight million, four hundred fifty-seven thousand, six hundred fifty-four".