246411989 has 2 divisors, whose sum is σ = 246411990. Its totient is φ = 246411988.

The previous prime is 246411967. The next prime is 246412027. The reversal of 246411989 is 989114642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190909489 + 55502500 = 13817^2 + 7450^2 .

It is a cyclic number.

It is not a de Polignac number, because 246411989 - 2¹⁶ = 246346453 is a prime.

It is a super-2 number, since 2×246411989² = 121437736645872242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246411959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123205994 + 123205995.

It is an arithmetic number, because the mean of its divisors is an integer number (123205995).

Almost surely, 2^246411989 is an apocalyptic number.

It is an amenable number.

246411989 is a deficient number, since it is larger than the sum of its proper divisors (1).

246411989 is an equidigital number, since it uses as much as digits as its factorization.

246411989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 246411989 is about 15697.5153766448. The cubic root of 246411989 is about 626.9322507087.

The spelling of 246411989 in words is "two hundred forty-six million, four hundred eleven thousand, nine hundred eighty-nine".