340307418 has 64 divisors (see below), whose sum is σ = 766808064. Its totient is φ = 100623600.

The previous prime is 340307417. The next prime is 340307419. The reversal of 340307418 is 814703043.

It is an interprime number because it is at equal distance from previous prime (340307417) and next prime (340307419).

It is not an unprimeable number, because it can be changed into a prime (340307413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342903 + ... + 343893.

It is an arithmetic number, because the mean of its divisors is an integer number (11981376).

Almost surely, 2^340307418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340307418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383404032).

340307418 is an abundant number, since it is smaller than the sum of its proper divisors (426500646).

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

340307418 is a wasteful number, since it uses less digits than its factorization.

340307418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 340307418 is about 18447.4230720716. The cubic root of 340307418 is about 698.1634975766.

It can be divided in two parts, 340307 and 418, that added together give a triangular number (340725 = T₈₂₅).

The spelling of 340307418 in words is "three hundred forty million, three hundred seven thousand, four hundred eighteen".