340024321 has 16 divisors (see below), whose sum is σ = 422566144. Its totient is φ = 266410944.

The previous prime is 340024253. The next prime is 340024343. The reversal of 340024321 is 123420043.

It is a cyclic number.

It is not a de Polignac number, because 340024321 - 2¹¹ = 340022273 is a prime.

It is a super-2 number, since 2×340024321² = 231233077743022082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340024351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8766 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (26410384).

Almost surely, 2^340024321 is an apocalyptic number.

It is an amenable number.

340024321 is a deficient number, since it is larger than the sum of its proper divisors (82541823).

340024321 is a wasteful number, since it uses less digits than its factorization.

340024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36400.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340024321 is about 18439.7483985005. The cubic root of 340024321 is about 697.9698463724.

Adding to 340024321 its reverse (123420043), we get a palindrome (463444364).

The spelling of 340024321 in words is "three hundred forty million, twenty-four thousand, three hundred twenty-one".