340288406 has 16 divisors (see below), whose sum is σ = 513844080. Its totient is φ = 169011360.

The previous prime is 340288393. The next prime is 340288433. The reversal of 340288406 is 604882043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232505 + ... + 233963.

It is an arithmetic number, because the mean of its divisors is an integer number (32115255).

Almost surely, 2^340288406 is an apocalyptic number.

340288406 is a deficient number, since it is larger than the sum of its proper divisors (173555674).

340288406 is a wasteful number, since it uses less digits than its factorization.

340288406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 340288406 is about 18446.9077625493. The cubic root of 340288406 is about 698.1504958700.

The spelling of 340288406 in words is "three hundred forty million, two hundred eighty-eight thousand, four hundred six".