28460144 has 10 divisors (see below), whose sum is σ = 55141560. Its totient is φ = 14230064.

The previous prime is 28460129. The next prime is 28460161. The reversal of 28460144 is 44106482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889364 + ... + 889395.

It is an arithmetic number, because the mean of its divisors is an integer number (5514156).

Almost surely, 2^28460144 is an apocalyptic number.

It is an amenable number.

28460144 is a deficient number, since it is larger than the sum of its proper divisors (26681416).

28460144 is a wasteful number, since it uses less digits than its factorization.

28460144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778767 (or 1778761 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28460144 is about 5334.8049636327. The cubic root of 28460144 is about 305.3132819709.

The spelling of 28460144 in words is "twenty-eight million, four hundred sixty thousand, one hundred forty-four".