30306969 has 48 divisors (see below), whose sum is σ = 55246464. Its totient is φ = 15552000.

The previous prime is 30306953. The next prime is 30306973. The reversal of 30306969 is 96960303.

It is not a de Polignac number, because 30306969 - 2⁴ = 30306953 is a prime.

It is a super-2 number, since 2×30306969² = 1837024739933922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30306929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69777 + ... + 70209.

It is an arithmetic number, because the mean of its divisors is an integer number (1150968).

Almost surely, 2^30306969 is an apocalyptic number.

It is an amenable number.

30306969 is a deficient number, since it is larger than the sum of its proper divisors (24939495).

30306969 is a wasteful number, since it uses less digits than its factorization.

30306969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 30306969 is about 5505.1765639260. The cubic root of 30306969 is about 311.7794607645.

Adding to 30306969 its sum of digits (36), we get a triangular number (30307005 = T₇₇₈₅).

It can be divided in two parts, 3030 and 6969, that added together give a palindrome (9999).

The spelling of 30306969 in words is "thirty million, three hundred six thousand, nine hundred sixty-nine".