28360870 has 16 divisors (see below), whose sum is σ = 52429968. Its totient is φ = 11037600.

The previous prime is 28360867. The next prime is 28360873. The reversal of 28360870 is 7806382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28360867) and next prime (28360873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28360873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37956 + ... + 38695.

It is an arithmetic number, because the mean of its divisors is an integer number (3276873).

Almost surely, 2^28360870 is an apocalyptic number.

28360870 is a deficient number, since it is larger than the sum of its proper divisors (24069098).

28360870 is a wasteful number, since it uses less digits than its factorization.

28360870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76695.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28360870 is about 5325.4924654909. The cubic root of 28360870 is about 304.9578728880.

The spelling of 28360870 in words is "twenty-eight million, three hundred sixty thousand, eight hundred seventy".