246461389 has 2 divisors, whose sum is σ = 246461390. Its totient is φ = 246461388.

The previous prime is 246461351. The next prime is 246461429. The reversal of 246461389 is 983164642.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197880489 + 48580900 = 14067^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 246461389 - 2¹⁷ = 246330317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246461489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123230694 + 123230695.

It is an arithmetic number, because the mean of its divisors is an integer number (123230695).

Almost surely, 2^246461389 is an apocalyptic number.

It is an amenable number.

246461389 is a deficient number, since it is larger than the sum of its proper divisors (1).

246461389 is an equidigital number, since it uses as much as digits as its factorization.

246461389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 246461389 is about 15699.0887952136. The cubic root of 246461389 is about 626.9741431289.

The spelling of 246461389 in words is "two hundred forty-six million, four hundred sixty-one thousand, three hundred eighty-nine".