340506000 has 120 divisors (see below), whose sum is σ = 1189336824. Its totient is φ = 90796800.

The previous prime is 340505999. The next prime is 340506013. The reversal of 340506000 is 605043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 339738624 = 876^2 + 18432^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8542 + ... + 27458.

Almost surely, 2^340506000 is an apocalyptic number.

340506000 is a gapful number since it is divisible by the number (30) 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 340506000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594668412).

340506000 is an abundant number, since it is smaller than the sum of its proper divisors (848830824).

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

340506000 is a wasteful number, since it uses less digits than its factorization.

340506000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946 (or 18927 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 340506000 is about 18452.8046648741. The cubic root of 340506000 is about 698.2992726018.

The spelling of 340506000 in words is "three hundred forty million, five hundred six thousand".