345556236 has 24 divisors (see below), whose sum is σ = 806851584. Its totient is φ = 115106320.

The previous prime is 345556217. The next prime is 345556247. The reversal of 345556236 is 632655543.

It is a super-2 number, since 2×345556236² = 238818224476975392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345556194 and 345556203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9901 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (33618816).

Almost surely, 2^345556236 is an apocalyptic number.

It is an amenable number.

345556236 is an abundant number, since it is smaller than the sum of its proper divisors (461295348).

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

345556236 is a wasteful number, since it uses less digits than its factorization.

345556236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19781 (or 19779 counting only the distinct ones).

The product of its digits is 324000, while the sum is 39.

The square root of 345556236 is about 18589.1429603411. The cubic root of 345556236 is about 701.7346339965.

The spelling of 345556236 in words is "three hundred forty-five million, five hundred fifty-six thousand, two hundred thirty-six".