247242324 has 24 divisors (see below), whose sum is σ = 659313088. Its totient is φ = 70640640.

The previous prime is 247242319. The next prime is 247242337. The reversal of 247242324 is 423242742.

It is a super-2 number, since 2×247242324² = 122257533553841952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 247242291 and 247242300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471597 + ... + 1471764.

Almost surely, 2^247242324 is an apocalyptic number.

It is an amenable number.

247242324 is an abundant number, since it is smaller than the sum of its proper divisors (412070764).

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

247242324 is a wasteful number, since it uses less digits than its factorization.

247242324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943375 (or 2943373 counting only the distinct ones).

The product of its digits is 21504, while the sum is 30.

The square root of 247242324 is about 15723.9411090223. The cubic root of 247242324 is about 627.6356528574.

The spelling of 247242324 in words is "two hundred forty-seven million, two hundred forty-two thousand, three hundred twenty-four".