342176389 has 4 divisors (see below), whose sum is σ = 347785900. Its totient is φ = 336566880.

The previous prime is 342176369. The next prime is 342176449. The reversal of 342176389 is 983671243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983671243 = 2251 ⋅436993.

It can be written as a sum of positive squares in 2 ways, for example, as 195524289 + 146652100 = 13983^2 + 12110^2 .

It is a cyclic number.

It is not a de Polignac number, because 342176389 - 2¹⁷ = 342045317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342176369) 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, 2804664 + ... + 2804785.

It is an arithmetic number, because the mean of its divisors is an integer number (86946475).

Almost surely, 2^342176389 is an apocalyptic number.

It is an amenable number.

342176389 is a deficient number, since it is larger than the sum of its proper divisors (5609511).

342176389 is an equidigital number, since it uses as much as digits as its factorization.

342176389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609510.

The product of its digits is 217728, while the sum is 43.

The square root of 342176389 is about 18498.0104065275. The cubic root of 342176389 is about 699.4392713615.

The spelling of 342176389 in words is "three hundred forty-two million, one hundred seventy-six thousand, three hundred eighty-nine".