340684812 has 96 divisors (see below), whose sum is σ = 955100160. Its totient is φ = 104397120.

The previous prime is 340684783. The next prime is 340684831. The reversal of 340684812 is 218486043.

It is a super-2 number, since 2×340684812² = 232132282254950688, which contains 22 as substring.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 604843 + ... + 605405.

It is an arithmetic number, because the mean of its divisors is an integer number (9948960).

Almost surely, 2^340684812 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 340684812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477550080).

340684812 is an abundant number, since it is smaller than the sum of its proper divisors (614415348).

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

340684812 is a wasteful number, since it uses less digits than its factorization.

340684812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 340684812 is about 18457.6491460857. The cubic root of 340684812 is about 698.4214852686.

The spelling of 340684812 in words is "three hundred forty million, six hundred eighty-four thousand, eight hundred twelve".