28487607 has 8 divisors (see below), whose sum is σ = 38014080. Its totient is φ = 18976440.

The previous prime is 28487603. The next prime is 28487617. The reversal of 28487607 is 70678482.

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

It is not a de Polignac number, because 28487607 - 2² = 28487603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28487603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (4751760).

Almost surely, 2^28487607 is an apocalyptic number.

28487607 is a deficient number, since it is larger than the sum of its proper divisors (9526473).

28487607 is a wasteful number, since it uses less digits than its factorization.

28487607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 28487607 is about 5337.3782890104. The cubic root of 28487607 is about 305.4114557901.

The spelling of 28487607 in words is "twenty-eight million, four hundred eighty-seven thousand, six hundred seven".