2819955 has 16 divisors (see below), whose sum is σ = 4634784. Its totient is φ = 1463040.

The previous prime is 2819951. The next prime is 2819959. The reversal of 2819955 is 5599182.

It is an interprime number because it is at equal distance from previous prime (2819951) and next prime (2819959).

It is not a de Polignac number, because 2819955 - 2² = 2819951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2819951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (289674).

2^2819955 is an apocalyptic number.

2819955 is a deficient number, since it is larger than the sum of its proper divisors (1814829).

2819955 is a wasteful number, since it uses less digits than its factorization.

2819955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126.

The product of its digits is 32400, while the sum is 39.

The square root of 2819955 is about 1679.2721637662. The cubic root of 2819955 is about 141.2800129400.

The spelling of 2819955 in words is "two million, eight hundred nineteen thousand, nine hundred fifty-five".