2940293 has 4 divisors (see below), whose sum is σ = 2973420. Its totient is φ = 2907168.

The previous prime is 2940277. The next prime is 2940313. The reversal of 2940293 is 3920492.

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 174724 + 2765569 = 418^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940293 - 2⁴ = 2940277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940263) 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, 16430 + ... + 16607.

It is an arithmetic number, because the mean of its divisors is an integer number (743355).

2^2940293 is an apocalyptic number.

It is an amenable number.

2940293 is a deficient number, since it is larger than the sum of its proper divisors (33127).

2940293 is an equidigital number, since it uses as much as digits as its factorization.

2940293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33126.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2940293 is about 1714.7282583547. The cubic root of 2940293 is about 143.2617339653.

The spelling of 2940293 in words is "two million, nine hundred forty thousand, two hundred ninety-three".