340854516 has 72 divisors (see below), whose sum is σ = 897230880. Its totient is φ = 108972864.

The previous prime is 340854499. The next prime is 340854557. The reversal of 340854516 is 615458043.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169171 + ... + 171173.

It is an arithmetic number, because the mean of its divisors is an integer number (12461540).

Almost surely, 2^340854516 is an apocalyptic number.

340854516 is a gapful number since it is divisible by the number (36) 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 340854516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448615440).

340854516 is an abundant number, since it is smaller than the sum of its proper divisors (556376364).

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

340854516 is a wasteful number, since it uses less digits than its factorization.

340854516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 340854516 is about 18462.2456922228. The cubic root of 340854516 is about 698.5374333442.

The spelling of 340854516 in words is "three hundred forty million, eight hundred fifty-four thousand, five hundred sixteen".