247423464 has 32 divisors (see below), whose sum is σ = 687288000. Its totient is φ = 82474416.

The previous prime is 247423439. The next prime is 247423469. The reversal of 247423464 is 464324742.

It is a super-2 number, since 2×247423464² = 122436741075518592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (247423469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572524 + ... + 572955.

It is an arithmetic number, because the mean of its divisors is an integer number (21477750).

Almost surely, 2^247423464 is an apocalyptic number.

247423464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

247423464 is an abundant number, since it is smaller than the sum of its proper divisors (439864536).

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

247423464 is a wasteful number, since it uses less digits than its factorization.

247423464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145494 (or 1145484 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 247423464 is about 15729.7000607132. The cubic root of 247423464 is about 627.7888927598.

The spelling of 247423464 in words is "two hundred forty-seven million, four hundred twenty-three thousand, four hundred sixty-four".