247038426 has 12 divisors (see below), whose sum is σ = 535249962. Its totient is φ = 82346136.

The previous prime is 247038413. The next prime is 247038427. The reversal of 247038426 is 624830742.

247038426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 241771401 + 5267025 = 15549^2 + 2295^2 .

It is a super-2 number, since 2×247038426² = 122055967841114952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247038427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6862161 + ... + 6862196.

Almost surely, 2^247038426 is an apocalyptic number.

247038426 is an abundant number, since it is smaller than the sum of its proper divisors (288211536).

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

247038426 is a wasteful number, since it uses less digits than its factorization.

247038426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724365 (or 13724362 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 247038426 is about 15717.4560918744. The cubic root of 247038426 is about 627.4630706880.

The spelling of 247038426 in words is "two hundred forty-seven million, thirty-eight thousand, four hundred twenty-six".