2940185 has 4 divisors (see below), whose sum is σ = 3528228. Its totient is φ = 2352144.

The previous prime is 2940173. The next prime is 2940187. The reversal of 2940185 is 5810492.

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 565504 + 2374681 = 752^2 + 1541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940185 - 2⁴ = 2940169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2940187) 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, 294014 + ... + 294023.

It is an arithmetic number, because the mean of its divisors is an integer number (882057).

2^2940185 is an apocalyptic number.

It is an amenable number.

2940185 is a deficient number, since it is larger than the sum of its proper divisors (588043).

2940185 is an equidigital number, since it uses as much as digits as its factorization.

2940185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588042.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2940185 is about 1714.6967661951. The cubic root of 2940185 is about 143.2599798933.

It can be divided in two parts, 2940 and 185, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2940185 in words is "two million, nine hundred forty thousand, one hundred eighty-five".