30769936 has 20 divisors (see below), whose sum is σ = 59710464. Its totient is φ = 15360800.

The previous prime is 30769931. The next prime is 30769943. The reversal of 30769936 is 63996703.

It is a happy number.

It is a super-2 number, since 2×30769936² = 1893577922888192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30769892 and 30769901.

It is not an unprimeable number, because it can be changed into a prime (30769931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13521 + ... + 15631.

Almost surely, 2^30769936 is an apocalyptic number.

It is an amenable number.

30769936 is a deficient number, since it is larger than the sum of its proper divisors (28940528).

30769936 is a wasteful number, since it uses less digits than its factorization.

30769936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3024 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 30769936 is about 5547.0655305305. The cubic root of 30769936 is about 313.3590180645.

The spelling of 30769936 in words is "thirty million, seven hundred sixty-nine thousand, nine hundred thirty-six".