28601464 has 8 divisors (see below), whose sum is σ = 53627760. Its totient is φ = 14300728.

The previous prime is 28601431. The next prime is 28601467. The reversal of 28601464 is 46410682.

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 (28601467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787584 + ... + 1787599.

It is an arithmetic number, because the mean of its divisors is an integer number (6703470).

Almost surely, 2^28601464 is an apocalyptic number.

It is an amenable number.

28601464 is a deficient number, since it is larger than the sum of its proper divisors (25026296).

28601464 is a wasteful number, since it uses less digits than its factorization.

28601464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575189 (or 3575185 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 28601464 is about 5348.0336573361. The cubic root of 28601464 is about 305.8177963252.

The spelling of 28601464 in words is "twenty-eight million, six hundred one thousand, four hundred sixty-four".