306949050 has 144 divisors (see below), whose sum is σ = 874542240. Its totient is φ = 77051520.

The previous prime is 306949039. The next prime is 306949051. The reversal of 306949050 is 50949603.

It is a junction number, because it is equal to n+sod(n) for n = 306948996 and 306949014.

It is not an unprimeable number, because it can be changed into a prime (306949051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 560877 + ... + 561423.

It is an arithmetic number, because the mean of its divisors is an integer number (6073210).

Almost surely, 2^306949050 is an apocalyptic number.

306949050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 306949050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437271120).

306949050 is an abundant number, since it is smaller than the sum of its proper divisors (567593190).

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

306949050 is a wasteful number, since it uses less digits than its factorization.

306949050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 306949050 is about 17519.9614725604. The cubic root of 306949050 is about 674.5623500470.

The spelling of 306949050 in words is "three hundred six million, nine hundred forty-nine thousand, fifty".