2939855 has 4 divisors (see below), whose sum is σ = 3527832. Its totient is φ = 2351880.

The previous prime is 2939821. The next prime is 2939869. The reversal of 2939855 is 5589392.

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

It is not a de Polignac number, because 2939855 - 2¹⁴ = 2923471 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 9 + 3¹³ + 9⁶ + 8² + 5⁸ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293981 + ... + 293990.

It is an arithmetic number, because the mean of its divisors is an integer number (881958).

2^2939855 is an apocalyptic number.

2939855 is a deficient number, since it is larger than the sum of its proper divisors (587977).

2939855 is an equidigital number, since it uses as much as digits as its factorization.

2939855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587976.

The product of its digits is 97200, while the sum is 41.

The square root of 2939855 is about 1714.6005365682. The cubic root of 2939855 is about 143.2546199627.

The spelling of 2939855 in words is "two million, nine hundred thirty-nine thousand, eight hundred fifty-five".