340938432 has 84 divisors (see below), whose sum is σ = 1028705080. Its totient is φ = 107661312.

The previous prime is 340938431. The next prime is 340938463. The reversal of 340938432 is 234839043.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (340938431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4633 + ... + 26520.

Almost surely, 2^340938432 is an apocalyptic number.

340938432 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 340938432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514352540).

340938432 is an abundant number, since it is smaller than the sum of its proper divisors (687766648).

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

340938432 is a wasteful number, since it uses less digits than its factorization.

340938432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31190 (or 31177 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 340938432 is about 18464.5181903022. The cubic root of 340938432 is about 698.5947536521.

The spelling of 340938432 in words is "three hundred forty million, nine hundred thirty-eight thousand, four hundred thirty-two".