340079785 has 8 divisors (see below), whose sum is σ = 408501576. Its totient is φ = 271793280.

The previous prime is 340079759. The next prime is 340079791. The reversal of 340079785 is 587970043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 339922969 = 396^2 + 18437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340079785 - 2¹³ = 340071593 is a prime.

It is a Duffinian 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, 28204 + ... + 38413.

It is an arithmetic number, because the mean of its divisors is an integer number (51062697).

Almost surely, 2^340079785 is an apocalyptic number.

It is an amenable number.

340079785 is a deficient number, since it is larger than the sum of its proper divisors (68421791).

340079785 is a wasteful number, since it uses less digits than its factorization.

340079785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67643.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 340079785 is about 18441.2522622516. The cubic root of 340079785 is about 698.0077947313.

The spelling of 340079785 in words is "three hundred forty million, seventy-nine thousand, seven hundred eighty-five".