306683838 has 48 divisors (see below), whose sum is σ = 678053376. Its totient is φ = 100161360.

The previous prime is 306683831. The next prime is 306683849. The reversal of 306683838 is 838386603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 306683793 and 306683802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306683831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194931 + ... + 196497.

It is an arithmetic number, because the mean of its divisors is an integer number (14126112).

Almost surely, 2^306683838 is an apocalyptic number.

306683838 is an abundant number, since it is smaller than the sum of its proper divisors (371369538).

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

306683838 is a wasteful number, since it uses less digits than its factorization.

306683838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 306683838 is about 17512.3909846714. The cubic root of 306683838 is about 674.3680142334.

The spelling of 306683838 in words is "three hundred six million, six hundred eighty-three thousand, eight hundred thirty-eight".