342440433 has 16 divisors (see below), whose sum is σ = 519119040. Its totient is φ = 222983712.

The previous prime is 342440429. The next prime is 342440489. The reversal of 342440433 is 334044243.

It is not a de Polignac number, because 342440433 - 2² = 342440429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 342440397 and 342440406.

It is not an unprimeable number, because it can be changed into a prime (342440233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146316 + ... + 148637.

It is an arithmetic number, because the mean of its divisors is an integer number (32444940).

Almost surely, 2^342440433 is an apocalyptic number.

It is an amenable number.

342440433 is a deficient number, since it is larger than the sum of its proper divisors (176678607).

342440433 is a wasteful number, since it uses less digits than its factorization.

342440433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295005 (or 294999 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 342440433 is about 18505.1461220926. The cubic root of 342440433 is about 699.6191349885.

Adding to 342440433 its reverse (334044243), we get a palindrome (676484676).

The spelling of 342440433 in words is "three hundred forty-two million, four hundred forty thousand, four hundred thirty-three".