246442749 has 16 divisors (see below), whose sum is σ = 395297280. Its totient is φ = 133412400.

The previous prime is 246442733. The next prime is 246442751. The reversal of 246442749 is 947244642.

It is not a de Polignac number, because 246442749 - 2⁴ = 246442733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 246442749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246442799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308427 + ... + 309224.

It is an arithmetic number, because the mean of its divisors is an integer number (24706080).

Almost surely, 2^246442749 is an apocalyptic number.

It is an amenable number.

246442749 is a deficient number, since it is larger than the sum of its proper divisors (148854531).

246442749 is a wasteful number, since it uses less digits than its factorization.

246442749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617680.

The product of its digits is 387072, while the sum is 42.

The square root of 246442749 is about 15698.4951189597. The cubic root of 246442749 is about 626.9583366062.

The spelling of 246442749 in words is "two hundred forty-six million, four hundred forty-two thousand, seven hundred forty-nine".