340847840 has 48 divisors (see below), whose sum is σ = 847642320. Its totient is φ = 129162240.

The previous prime is 340847813. The next prime is 340847849. The reversal of 340847840 is 48748043.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 340847794 and 340847803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340847849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53021 + ... + 59100.

It is an arithmetic number, because the mean of its divisors is an integer number (17659215).

Almost surely, 2^340847840 is an apocalyptic number.

It is an amenable number.

340847840 is an abundant number, since it is smaller than the sum of its proper divisors (506794480).

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

340847840 is a wasteful number, since it uses less digits than its factorization.

340847840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112155 (or 112147 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 340847840 is about 18462.0648899304. The cubic root of 340847840 is about 698.5328727804.

The spelling of 340847840 in words is "three hundred forty million, eight hundred forty-seven thousand, eight hundred forty".