1006890043 has 2 divisors, whose sum is σ = 1006890044. Its totient is φ = 1006890042.

The previous prime is 1006890037. The next prime is 1006890083. The reversal of 1006890043 is 3400986001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006890043 - 2⁹ = 1006889531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1006889987 and 1006890014.

It is not a weakly prime, because it can be changed into another prime (1006890083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503445021 + 503445022.

It is an arithmetic number, because the mean of its divisors is an integer number (503445022).

Almost surely, 2^1006890043 is an apocalyptic number.

1006890043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006890043 is an equidigital number, since it uses as much as digits as its factorization.

1006890043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1006890043 is about 31731.5307383681. The cubic root of 1006890043 is about 1002.2914263548.

The spelling of 1006890043 in words is "one billion, six million, eight hundred ninety thousand, forty-three".