28555195 has 8 divisors (see below), whose sum is σ = 36069840. Its totient is φ = 21641760.

The previous prime is 28555193. The next prime is 28555211. The reversal of 28555195 is 59155582.

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

It is not a de Polignac number, because 28555195 - 2¹ = 28555193 is a prime.

It is a super-2 number, since 2×28555195² = 1630798322976050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28555193) 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, 150196 + ... + 150385.

It is an arithmetic number, because the mean of its divisors is an integer number (4508730).

Almost surely, 2^28555195 is an apocalyptic number.

28555195 is a deficient number, since it is larger than the sum of its proper divisors (7514645).

28555195 is a wasteful number, since it uses less digits than its factorization.

28555195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300605.

The product of its digits is 90000, while the sum is 40.

The square root of 28555195 is about 5343.7061109309. The cubic root of 28555195 is about 305.6527987032.

The spelling of 28555195 in words is "twenty-eight million, five hundred fifty-five thousand, one hundred ninety-five".