247367984 has 10 divisors (see below), whose sum is σ = 479275500. Its totient is φ = 123683984.

The previous prime is 247367983. The next prime is 247368007. The reversal of 247367984 is 489763742.

247367984 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247367984² = 122381839016448512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247367983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7730234 + ... + 7730265.

It is an arithmetic number, because the mean of its divisors is an integer number (47927550).

Almost surely, 2^247367984 is an apocalyptic number.

It is an amenable number.

247367984 is a deficient number, since it is larger than the sum of its proper divisors (231907516).

247367984 is a wasteful number, since it uses less digits than its factorization.

247367984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460507 (or 15460501 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 247367984 is about 15727.9364189966. The cubic root of 247367984 is about 627.7419660175.

The spelling of 247367984 in words is "two hundred forty-seven million, three hundred sixty-seven thousand, nine hundred eighty-four".