342780941 has 4 divisors (see below), whose sum is σ = 344001084. Its totient is φ = 341560800.

The previous prime is 342780871. The next prime is 342780943. The reversal of 342780941 is 149087243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165225316 + 177555625 = 12854^2 + 13325^2 .

It is a cyclic number.

It is not a de Polignac number, because 342780941 - 2¹⁰ = 342779917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342780895 and 342780904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342780943) 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, 609650 + ... + 610211.

It is an arithmetic number, because the mean of its divisors is an integer number (86000271).

Almost surely, 2^342780941 is an apocalyptic number.

It is an amenable number.

342780941 is a deficient number, since it is larger than the sum of its proper divisors (1220143).

342780941 is a wasteful number, since it uses less digits than its factorization.

342780941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220142.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 342780941 is about 18514.3441957851. The cubic root of 342780941 is about 699.8509485367.

The spelling of 342780941 in words is "three hundred forty-two million, seven hundred eighty thousand, nine hundred forty-one".