28461610 has 8 divisors (see below), whose sum is σ = 51230916. Its totient is φ = 11384640.

The previous prime is 28461569. The next prime is 28461611. The reversal of 28461610 is 1616482.

It can be written as a sum of positive squares in 2 ways, for example, as 28376929 + 84681 = 5327^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28461611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423071 + ... + 1423090.

Almost surely, 2^28461610 is an apocalyptic number.

28461610 is a deficient number, since it is larger than the sum of its proper divisors (22769306).

28461610 is a wasteful number, since it uses less digits than its factorization.

28461610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846168.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28461610 is about 5334.9423614506. The cubic root of 28461610 is about 305.3185241743.

The spelling of 28461610 in words is "twenty-eight million, four hundred sixty-one thousand, six hundred ten".