340564506 has 16 divisors (see below), whose sum is σ = 682500000. Its totient is φ = 113293008.

The previous prime is 340564501. The next prime is 340564507. The reversal of 340564506 is 605465043.

340564506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340564501) 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, 53881 + ... + 59868.

It is an arithmetic number, because the mean of its divisors is an integer number (42656250).

Almost surely, 2^340564506 is an apocalyptic number.

340564506 is an abundant number, since it is smaller than the sum of its proper divisors (341935494).

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

340564506 is a wasteful number, since it uses less digits than its factorization.

340564506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114253.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 340564506 is about 18454.3898842525. The cubic root of 340564506 is about 698.3392644155.

The spelling of 340564506 in words is "three hundred forty million, five hundred sixty-four thousand, five hundred six".