343247472 has 90 divisors (see below), whose sum is σ = 975298688. Its totient is φ = 112686336.

The previous prime is 343247467. The next prime is 343247473. The reversal of 343247472 is 274742343.

343247472 is a `hidden beast` number, since 343 + 247 + 4 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343247473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2505388 + ... + 2505524.

Almost surely, 2^343247472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343247472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487649344).

343247472 is an abundant number, since it is smaller than the sum of its proper divisors (632051216).

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

343247472 is a wasteful number, since it uses less digits than its factorization.

343247472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 269 counting only the distinct ones).

The product of its digits is 112896, while the sum is 36.

The square root of 343247472 is about 18526.9390887972. The cubic root of 343247472 is about 700.1683078282.

The spelling of 343247472 in words is "three hundred forty-three million, two hundred forty-seven thousand, four hundred seventy-two".