2940247 has 2 divisors, whose sum is σ = 2940248. Its totient is φ = 2940246.

The previous prime is 2940239. The next prime is 2940263. The reversal of 2940247 is 7420492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2940247 - 2³ = 2940239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470123 + 1470124.

It is an arithmetic number, because the mean of its divisors is an integer number (1470124).

2^2940247 is an apocalyptic number.

2940247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940247 is an equidigital number, since it uses as much as digits as its factorization.

2940247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2940247 is about 1714.7148450982. The cubic root of 2940247 is about 143.2609868658.

The spelling of 2940247 in words is "two million, nine hundred forty thousand, two hundred forty-seven".