340438032 has 160 divisors (see below), whose sum is σ = 1100881920. Its totient is φ = 99792000.

The previous prime is 340438003. The next prime is 340438057. The reversal of 340438032 is 230834043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 340437987 and 340438005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146157 + ... + 148467.

It is an arithmetic number, because the mean of its divisors is an integer number (6880512).

Almost surely, 2^340438032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340438032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550440960).

340438032 is an abundant number, since it is smaller than the sum of its proper divisors (760443888).

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

340438032 is a wasteful number, since it uses less digits than its factorization.

340438032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 340438032 is about 18450.9629017024. The cubic root of 340438032 is about 698.2528072793.

The spelling of 340438032 in words is "three hundred forty million, four hundred thirty-eight thousand, thirty-two".