8472155 has 8 divisors (see below), whose sum is σ = 10206000. Its totient is φ = 6751456.

The previous prime is 8472151. The next prime is 8472169. The reversal of 8472155 is 5512748.

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

It is a cyclic number.

It is not a de Polignac number, because 8472155 - 2² = 8472151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8472151) 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, 1805 + ... + 4494.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^8472155 is an apocalyptic number.

8472155 is a deficient number, since it is larger than the sum of its proper divisors (1733845).

8472155 is a wasteful number, since it uses less digits than its factorization.

8472155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573.

The product of its digits is 11200, while the sum is 32.

The square root of 8472155 is about 2910.6966520062. The cubic root of 8472155 is about 203.8596609428.

The spelling of 8472155 in words is "eight million, four hundred seventy-two thousand, one hundred fifty-five".