2390471 has 2 divisors, whose sum is σ = 2390472. Its totient is φ = 2390470.

The previous prime is 2390449. The next prime is 2390473. The reversal of 2390471 is 1740932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2390471 - 2¹⁸ = 2128327 is a prime.

It is a super-3 number, since 3×2390471³ = 40979975364013371333, which contains 333 as substring.

It is a Sophie Germain prime.

Together with 2390473, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2390471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2390473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195235 + 1195236.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236).

2^2390471 is an apocalyptic number.

2390471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390471 is an equidigital number, since it uses as much as digits as its factorization.

2390471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2390471 is about 1546.1148081562. The cubic root of 2390471 is about 133.7091598021.

The spelling of 2390471 in words is "two million, three hundred ninety thousand, four hundred seventy-one".