342331444 has 36 divisors (see below), whose sum is σ = 750501444. Its totient is φ = 135426816.

The previous prime is 342331439. The next prime is 342331447. The reversal of 342331444 is 444133243.

It can be written as a sum of positive squares in 2 ways, for example, as 32148900 + 310182544 = 5670^2 + 17612^2 .

It is a super-2 number, since 2×342331444² = 234381635102250272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342331447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64629 + ... + 69724.

Almost surely, 2^342331444 is an apocalyptic number.

It is an amenable number.

342331444 is an abundant number, since it is smaller than the sum of its proper divisors (408170000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342331444 is a wasteful number, since it uses less digits than its factorization.

342331444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134384 (or 134375 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 342331444 is about 18502.2010582525. The cubic root of 342331444 is about 699.5449041896.

Adding to 342331444 its reverse (444133243), we get a palindrome (786464687).

The spelling of 342331444 in words is "three hundred forty-two million, three hundred thirty-one thousand, four hundred forty-four".