340968377 has 4 divisors (see below), whose sum is σ = 341525220. Its totient is φ = 340411536.

The previous prime is 340968359. The next prime is 340968379. The reversal of 340968377 is 773869043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773869043 = 5003 ⋅154681.

It can be written as a sum of positive squares in 2 ways, for example, as 18011536 + 322956841 = 4244^2 + 17971^2 .

It is a cyclic number.

It is not a de Polignac number, because 340968377 - 2¹⁰ = 340967353 is a prime.

It is a super-2 number, since 2×340968377² = 232518868228028258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340968379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277502 + ... + 278727.

It is an arithmetic number, because the mean of its divisors is an integer number (85381305).

Almost surely, 2^340968377 is an apocalyptic number.

It is an amenable number.

340968377 is a deficient number, since it is larger than the sum of its proper divisors (556843).

340968377 is an equidigital number, since it uses as much as digits as its factorization.

340968377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556842.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 340968377 is about 18465.3290520370. The cubic root of 340968377 is about 698.6152058370.

The spelling of 340968377 in words is "three hundred forty million, nine hundred sixty-eight thousand, three hundred seventy-seven".