46043989 has 2 divisors, whose sum is σ = 46043990. Its totient is φ = 46043988.

The previous prime is 46043983. The next prime is 46044017. The reversal of 46043989 is 98934064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 9199089 = 6070^2 + 3033^2 .

It is a cyclic number.

It is not a de Polignac number, because 46043989 - 2⁹ = 46043477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46043983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23021994 + 23021995.

It is an arithmetic number, because the mean of its divisors is an integer number (23021995).

Almost surely, 2^46043989 is an apocalyptic number.

It is an amenable number.

46043989 is a deficient number, since it is larger than the sum of its proper divisors (1).

46043989 is an equidigital number, since it uses as much as digits as its factorization.

46043989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 46043989 is about 6785.5721203153. The cubic root of 46043989 is about 358.4189642596.

The spelling of 46043989 in words is "forty-six million, forty-three thousand, nine hundred eighty-nine".