346534340 has 24 divisors (see below), whose sum is σ = 752817240. Its totient is φ = 133833728.

The previous prime is 346534327. The next prime is 346534361. The reversal of 346534340 is 43435643.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 346257664 = 526^2 + 18608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 346534297 and 346534306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298157 + ... + 299316.

It is an arithmetic number, because the mean of its divisors is an integer number (31367385).

Almost surely, 2^346534340 is an apocalyptic number.

It is an amenable number.

346534340 is an abundant number, since it is smaller than the sum of its proper divisors (406282900).

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

346534340 is a wasteful number, since it uses less digits than its factorization.

346534340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597511 (or 597509 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 346534340 is about 18615.4328448199. The cubic root of 346534340 is about 702.3961017049.

Adding to 346534340 its reverse (43435643), we get a palindrome (389969983).

The spelling of 346534340 in words is "three hundred forty-six million, five hundred thirty-four thousand, three hundred forty".