345601956 has 96 divisors (see below), whose sum is σ = 985356288. Its totient is φ = 92125440.

The previous prime is 345601931. The next prime is 345601967. The reversal of 345601956 is 659106543.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77031 + ... + 81393.

It is an arithmetic number, because the mean of its divisors is an integer number (10264128).

Almost surely, 2^345601956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345601956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492678144).

345601956 is an abundant number, since it is smaller than the sum of its proper divisors (639754332).

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

345601956 is a wasteful number, since it uses less digits than its factorization.

345601956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 345601956 is about 18590.3726697450. The cubic root of 345601956 is about 701.7655810988.

The spelling of 345601956 in words is "three hundred forty-five million, six hundred one thousand, nine hundred fifty-six".