343623249 has 8 divisors (see below), whose sum is σ = 509071520. Its totient is φ = 229082148.

The previous prime is 343623239. The next prime is 343623281. The reversal of 343623249 is 942326343.

343623249 is a `hidden beast` number, since 3 + 4 + 3 + 623 + 24 + 9 = 666.

It is not a de Polignac number, because 343623249 - 2¹⁹ = 343098961 is a prime.

It is a super-4 number, since 4×343623249⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343623239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6363367 + ... + 6363420.

It is an arithmetic number, because the mean of its divisors is an integer number (63633940).

Almost surely, 2^343623249 is an apocalyptic number.

It is an amenable number.

343623249 is a deficient number, since it is larger than the sum of its proper divisors (165448271).

343623249 is a wasteful number, since it uses less digits than its factorization.

343623249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12726796 (or 12726790 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 343623249 is about 18537.0776823101. The cubic root of 343623249 is about 700.4237223732.

The spelling of 343623249 in words is "three hundred forty-three million, six hundred twenty-three thousand, two hundred forty-nine".