340054979 has 4 divisors (see below), whose sum is σ = 370969080. Its totient is φ = 309140880.

The previous prime is 340054973. The next prime is 340054991. The reversal of 340054979 is 979450043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340054979 - 2⁴ = 340054963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340054973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15457034 + ... + 15457055.

It is an arithmetic number, because the mean of its divisors is an integer number (92742270).

Almost surely, 2^340054979 is an apocalyptic number.

340054979 is a deficient number, since it is larger than the sum of its proper divisors (30914101).

340054979 is a wasteful number, since it uses less digits than its factorization.

340054979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914100.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 340054979 is about 18440.5796817779. The cubic root of 340054979 is about 697.9908230253.

The spelling of 340054979 in words is "three hundred forty million, fifty-four thousand, nine hundred seventy-nine".