43948811 has 2 divisors, whose sum is σ = 43948812. Its totient is φ = 43948810.

The previous prime is 43948781. The next prime is 43948871. The reversal of 43948811 is 11884934.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43948811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43948871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21974405 + 21974406.

It is an arithmetic number, because the mean of its divisors is an integer number (21974406).

Almost surely, 2^43948811 is an apocalyptic number.

43948811 is a deficient number, since it is larger than the sum of its proper divisors (1).

43948811 is an equidigital number, since it uses as much as digits as its factorization.

43948811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 43948811 is about 6629.3899417669. The cubic root of 43948811 is about 352.8978751033.

The spelling of 43948811 in words is "forty-three million, nine hundred forty-eight thousand, eight hundred eleven".