246402681 has 32 divisors (see below), whose sum is σ = 382018560. Its totient is φ = 138366144.

The previous prime is 246402679. The next prime is 246402691. The reversal of 246402681 is 186204642.

It is not a de Polignac number, because 246402681 - 2¹ = 246402679 is a prime.

It is a super-2 number, since 2×246402681² = 121428562407975522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (246402631) 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 31 ways as a sum of consecutive naturals, for example, 649950 + ... + 650328.

It is an arithmetic number, because the mean of its divisors is an integer number (11938080).

Almost surely, 2^246402681 is an apocalyptic number.

246402681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

246402681 is a deficient number, since it is larger than the sum of its proper divisors (135615879).

246402681 is a wasteful number, since it uses less digits than its factorization.

246402681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 246402681 is about 15697.2188938041. The cubic root of 246402681 is about 626.9243566679.

The spelling of 246402681 in words is "two hundred forty-six million, four hundred two thousand, six hundred eighty-one".