343245450 has 96 divisors (see below), whose sum is σ = 927172800. Its totient is φ = 83704320.

The previous prime is 343245449. The next prime is 343245451. The reversal of 343245450 is 54542343.

It is an interprime number because it is at equal distance from previous prime (343245449) and next prime (343245451).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (343245451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80574 + ... + 84726.

It is an arithmetic number, because the mean of its divisors is an integer number (9658050).

Almost surely, 2^343245450 is an apocalyptic number.

343245450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 343245450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463586400).

343245450 is an abundant number, since it is smaller than the sum of its proper divisors (583927350).

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

343245450 is a wasteful number, since it uses less digits than its factorization.

343245450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 343245450 is about 18526.8845195300. The cubic root of 343245450 is about 700.1669329765.

Adding to 343245450 its reverse (54542343), we get a palindrome (397787793).

The spelling of 343245450 in words is "three hundred forty-three million, two hundred forty-five thousand, four hundred fifty".