345736830 has 16 divisors (see below), whose sum is σ = 829768464. Its totient is φ = 92196480.

The previous prime is 345736819. The next prime is 345736883. The reversal of 345736830 is 38637543.

It is a congruent number.

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, 5762251 + ... + 5762310.

It is an arithmetic number, because the mean of its divisors is an integer number (51860529).

Almost surely, 2^345736830 is an apocalyptic number.

345736830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345736830 is an abundant number, since it is smaller than the sum of its proper divisors (484031634).

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

345736830 is a wasteful number, since it uses less digits than its factorization.

345736830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524571.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 345736830 is about 18593.9998386576. Note that the first 3 decimals coincide. The cubic root of 345736830 is about 701.8568591519.

The spelling of 345736830 in words is "three hundred forty-five million, seven hundred thirty-six thousand, eight hundred thirty".