340434432 has 120 divisors (see below), whose sum is σ = 1058281224. Its totient is φ = 104730624.

The previous prime is 340434383. The next prime is 340434443. The reversal of 340434432 is 234434043.

It is a junction number, because it is equal to n+sod(n) for n = 340434396 and 340434405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57063 + ... + 62745.

Almost surely, 2^340434432 is an apocalyptic number.

340434432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529140612).

340434432 is an abundant number, since it is smaller than the sum of its proper divisors (717846792).

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

340434432 is a wasteful number, since it uses less digits than its factorization.

340434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720 (or 5701 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 340434432 is about 18450.8653455604. The cubic root of 340434432 is about 698.2503460199.

Adding to 340434432 its reverse (234434043), we get a palindrome (574868475).

The spelling of 340434432 in words is "three hundred forty million, four hundred thirty-four thousand, four hundred thirty-two".