340743655 has 16 divisors (see below), whose sum is σ = 477250560. Its totient is φ = 228680352.

The previous prime is 340743629. The next prime is 340743671. The reversal of 340743655 is 556347043.

It is a cyclic number.

It is not a de Polignac number, because 340743655 - 2²⁷ = 206525927 is a prime.

It is a super-2 number, since 2×340743655² = 232212476845518050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101925 + ... + 105214.

It is an arithmetic number, because the mean of its divisors is an integer number (29828160).

Almost surely, 2^340743655 is an apocalyptic number.

340743655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

340743655 is a deficient number, since it is larger than the sum of its proper divisors (136506905).

340743655 is a wasteful number, since it uses less digits than its factorization.

340743655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207198.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 340743655 is about 18459.2430776562. The cubic root of 340743655 is about 698.4616933516.

The spelling of 340743655 in words is "three hundred forty million, seven hundred forty-three thousand, six hundred fifty-five".