2830155 has 8 divisors (see below), whose sum is σ = 4528272. Its totient is φ = 1509408.

The previous prime is 2830153. The next prime is 2830181. The reversal of 2830155 is 5510382.

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

It is not a de Polignac number, because 2830155 - 2¹ = 2830153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2830151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94324 + ... + 94353.

It is an arithmetic number, because the mean of its divisors is an integer number (566034).

2^2830155 is an apocalyptic number.

2830155 is a deficient number, since it is larger than the sum of its proper divisors (1698117).

2830155 is a wasteful number, since it uses less digits than its factorization.

2830155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188685.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2830155 is about 1682.3064524634. The cubic root of 2830155 is about 141.4501482960.

The spelling of 2830155 in words is "two million, eight hundred thirty thousand, one hundred fifty-five".