246642426 has 48 divisors (see below), whose sum is σ = 567988200. Its totient is φ = 77350272.

The previous prime is 246642421. The next prime is 246642433. The reversal of 246642426 is 624246642.

246642426 is a `hidden beast` number, since 2 + 4 + 6 + 642 + 4 + 2 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 228161025 + 18481401 = 15105^2 + 4299^2 .

It is not an unprimeable number, because it can be changed into a prime (246642421) 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 in 23 ways as a sum of consecutive naturals, for example, 87040 + ... + 89828.

Almost surely, 2^246642426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246642426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283994100).

246642426 is an abundant number, since it is smaller than the sum of its proper divisors (321345774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

246642426 is a wasteful number, since it uses less digits than its factorization.

246642426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848 (or 2811 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 246642426 is about 15704.8535809794. The cubic root of 246642426 is about 627.1276191468.

The spelling of 246642426 in words is "two hundred forty-six million, six hundred forty-two thousand, four hundred twenty-six".