246439 has 2 divisors, whose sum is σ = 246440. Its totient is φ = 246438.

The previous prime is 246403. The next prime is 246469. The reversal of 246439 is 934642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 246439 - 2¹³ = 238247 is a prime.

It is a super-3 number, since 3×246439³ = 44900333654107557, which contains 333 as substring.

246439 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123219 + 123220.

It is an arithmetic number, because the mean of its divisors is an integer number (123220).

2²⁴⁶⁴³⁹ is an apocalyptic number.

246439 is a deficient number, since it is larger than the sum of its proper divisors (1).

246439 is an equidigital number, since it uses as much as digits as its factorization.

246439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 246439 is about 496.4262281548. The cubic root of 246439 is about 62.6955157398.

The spelling of 246439 in words is "two hundred forty-six thousand, four hundred thirty-nine".