46040989 has 2 divisors, whose sum is σ = 46040990. Its totient is φ = 46040988.

The previous prime is 46040899. The next prime is 46041011. The reversal of 46040989 is 98904064.

Together with previous prime (46040899) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30713764 + 15327225 = 5542^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 46040989 - 2⁷ = 46040861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46040689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23020494 + 23020495.

It is an arithmetic number, because the mean of its divisors is an integer number (23020495).

Almost surely, 2^46040989 is an apocalyptic number.

It is an amenable number.

46040989 is a deficient number, since it is larger than the sum of its proper divisors (1).

46040989 is an equidigital number, since it uses as much as digits as its factorization.

46040989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 46040989 is about 6785.3510594515. The cubic root of 46040989 is about 358.4111798179.

The spelling of 46040989 in words is "forty-six million, forty thousand, nine hundred eighty-nine".