246426981 has 4 divisors (see below), whose sum is σ = 328569312. Its totient is φ = 164284652.

The previous prime is 246426953. The next prime is 246426997. The reversal of 246426981 is 189624642.

246426981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 246426981 - 2¹⁷ = 246295909 is a prime.

It is a super-2 number, since 2×246426981² = 121452513929548722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246426911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41071161 + ... + 41071166.

It is an arithmetic number, because the mean of its divisors is an integer number (82142328).

Almost surely, 2^246426981 is an apocalyptic number.

It is an amenable number.

246426981 is a deficient number, since it is larger than the sum of its proper divisors (82142331).

246426981 is an equidigital number, since it uses as much as digits as its factorization.

246426981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82142330.

The product of its digits is 165888, while the sum is 42.

The square root of 246426981 is about 15697.9928971827. The cubic root of 246426981 is about 626.9449648867.

The spelling of 246426981 in words is "two hundred forty-six million, four hundred twenty-six thousand, nine hundred eighty-one".