2894431 has 2 divisors, whose sum is σ = 2894432. Its totient is φ = 2894430.

The previous prime is 2894417. The next prime is 2894443. The reversal of 2894431 is 1344982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2894431 - 2⁷ = 2894303 is a prime.

It is a super-2 number, since 2×2894431² = 16755461627522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2894393 and 2894402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2894831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447215 + 1447216.

It is an arithmetic number, because the mean of its divisors is an integer number (1447216).

2^2894431 is an apocalyptic number.

2894431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2894431 is an equidigital number, since it uses as much as digits as its factorization.

2894431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 2894431 is about 1701.3027361407. The cubic root of 2894431 is about 142.5129730674.

It can be divided in two parts, 289443 and 1, that added together give a square (289444 = 538²).

The spelling of 2894431 in words is "two million, eight hundred ninety-four thousand, four hundred thirty-one".