2953985 has 4 divisors (see below), whose sum is σ = 3544788. Its totient is φ = 2363184.

The previous prime is 2953981. The next prime is 2953991. The reversal of 2953985 is 5893592.

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

It can be written as a sum of positive squares in 2 ways, for example, as 303601 + 2650384 = 551^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2953985 - 2² = 2953981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2953981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295394 + ... + 295403.

It is an arithmetic number, because the mean of its divisors is an integer number (886197).

2^2953985 is an apocalyptic number.

It is an amenable number.

2953985 is a deficient number, since it is larger than the sum of its proper divisors (590803).

2953985 is an equidigital number, since it uses as much as digits as its factorization.

2953985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590802.

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

The square root of 2953985 is about 1718.7160905746. The cubic root of 2953985 is about 143.4837643049.

It can be divided in two parts, 29 and 53985, that multiplied together give a triangular number (1565565 = T₁₇₆₉).

The spelling of 2953985 in words is "two million, nine hundred fifty-three thousand, nine hundred eighty-five".