247047404 has 12 divisors (see below), whose sum is σ = 447241200. Its totient is φ = 119264208.

The previous prime is 247047391. The next prime is 247047407. The reversal of 247047404 is 404740742.

It is a super-2 number, since 2×247047404² = 122064839646278432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247047407) 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, 1064744 + ... + 1064975.

It is an arithmetic number, because the mean of its divisors is an integer number (37270100).

Almost surely, 2^247047404 is an apocalyptic number.

It is an amenable number.

247047404 is a deficient number, since it is larger than the sum of its proper divisors (200193796).

247047404 is a wasteful number, since it uses less digits than its factorization.

247047404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129752 (or 2129750 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 247047404 is about 15717.7416952945. The cubic root of 247047404 is about 627.4706717932.

The spelling of 247047404 in words is "two hundred forty-seven million, forty-seven thousand, four hundred four".