340858742 has 16 divisors (see below), whose sum is σ = 587270400. Its totient is φ = 145347048.

The previous prime is 340858703. The next prime is 340858747. The reversal of 340858742 is 247858043.

It is a self number, because there is not a number n which added to its sum of digits gives 340858742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340858747) 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, 58388 + ... + 63959.

It is an arithmetic number, because the mean of its divisors is an integer number (36704400).

Almost surely, 2^340858742 is an apocalyptic number.

340858742 is a deficient number, since it is larger than the sum of its proper divisors (246411658).

340858742 is a wasteful number, since it uses less digits than its factorization.

340858742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122555.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 340858742 is about 18462.3601416504. The cubic root of 340858742 is about 698.5403202132.

The spelling of 340858742 in words is "three hundred forty million, eight hundred fifty-eight thousand, seven hundred forty-two".