30849236 has 24 divisors (see below), whose sum is σ = 61995360. Its totient is φ = 13284000.

The previous prime is 30849223. The next prime is 30849239. The reversal of 30849236 is 63294803.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30849196 and 30849205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30849239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17615 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (2583140).

Almost surely, 2^30849236 is an apocalyptic number.

It is an amenable number.

30849236 is an abundant number, since it is smaller than the sum of its proper divisors (31146124).

30849236 is a wasteful number, since it uses less digits than its factorization.

30849236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36935 (or 36933 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 30849236 is about 5554.2088545535. The cubic root of 30849236 is about 313.6279824789.

The spelling of 30849236 in words is "thirty million, eight hundred forty-nine thousand, two hundred thirty-six".