4293155 has 4 divisors (see below), whose sum is σ = 5151792. Its totient is φ = 3434520.

The previous prime is 4293127. The next prime is 4293167. The reversal of 4293155 is 5513924.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-4293155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429311 + ... + 429320.

It is an arithmetic number, because the mean of its divisors is an integer number (1287948).

Almost surely, 2^4293155 is an apocalyptic number.

4293155 is a deficient number, since it is larger than the sum of its proper divisors (858637).

4293155 is an equidigital number, since it uses as much as digits as its factorization.

4293155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858636.

The product of its digits is 5400, while the sum is 29.

The square root of 4293155 is about 2071.9930019187. The cubic root of 4293155 is about 162.5270014303.

Adding to 4293155 its sum of digits (29), we get a square (4293184 = 2072²).

The spelling of 4293155 in words is "four million, two hundred ninety-three thousand, one hundred fifty-five".