346043977 has 4 divisors (see below), whose sum is σ = 354484116. Its totient is φ = 337603840.

The previous prime is 346043969. The next prime is 346043983. The reversal of 346043977 is 779340643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779340643 = 43 ⋅18124201.

It can be written as a sum of positive squares in 2 ways, for example, as 102090816 + 243953161 = 10104^2 + 15619^2 .

It is not a de Polignac number, because 346043977 - 2³ = 346043969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346043927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220008 + ... + 4220089.

It is an arithmetic number, because the mean of its divisors is an integer number (88621029).

Almost surely, 2^346043977 is an apocalyptic number.

It is an amenable number.

346043977 is a deficient number, since it is larger than the sum of its proper divisors (8440139).

346043977 is an equidigital number, since it uses as much as digits as its factorization.

346043977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440138.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 346043977 is about 18602.2573092622. The cubic root of 346043977 is about 702.0646370572.

The spelling of 346043977 in words is "three hundred forty-six million, forty-three thousand, nine hundred seventy-seven".