4294991 has 2 divisors, whose sum is σ = 4294992. Its totient is φ = 4294990.

The previous prime is 4294973. The next prime is 4295021. The reversal of 4294991 is 1994924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4294991 - 2¹⁴ = 4278607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4294921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147495 + 2147496.

It is an arithmetic number, because the mean of its divisors is an integer number (2147496).

Almost surely, 2^4294991 is an apocalyptic number.

4294991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4294991 is an equidigital number, since it uses as much as digits as its factorization.

4294991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 4294991 is about 2072.4360062497. The cubic root of 4294991 is about 162.5501667595.

The spelling of 4294991 in words is "four million, two hundred ninety-four thousand, nine hundred ninety-one".