340566406 has 16 divisors (see below), whose sum is σ = 545692464. Its totient is φ = 158846464.

The previous prime is 340566397. The next prime is 340566419. The reversal of 340566406 is 604665043.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 40480 + ... + 48163.

It is an arithmetic number, because the mean of its divisors is an integer number (34105779).

Almost surely, 2^340566406 is an apocalyptic number.

340566406 is a deficient number, since it is larger than the sum of its proper divisors (205126058).

340566406 is a wasteful number, since it uses less digits than its factorization.

340566406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88775.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 340566406 is about 18454.4413624471. The cubic root of 340566406 is about 698.3405630849.

The spelling of 340566406 in words is "three hundred forty million, five hundred sixty-six thousand, four hundred six".