30969029 has 24 divisors (see below), whose sum is σ = 39481848. Its totient is φ = 24071040.

The previous prime is 30969023. The next prime is 30969047. The reversal of 30969029 is 92096903.

It can be written as a sum of positive squares in 4 ways, for example, as 388129 + 30580900 = 623^2 + 5530^2 .

It is not a de Polignac number, because 30969029 - 2¹² = 30964933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30968983 and 30969001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30969023) 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, 38459 + ... + 39255.

It is an arithmetic number, because the mean of its divisors is an integer number (1645077).

Almost surely, 2^30969029 is an apocalyptic number.

It is an amenable number.

30969029 is a deficient number, since it is larger than the sum of its proper divisors (8512819).

30969029 is a wasteful number, since it uses less digits than its factorization.

30969029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 30969029 is about 5564.9823899092. The cubic root of 30969029 is about 314.0334156495.

The spelling of 30969029 in words is "thirty million, nine hundred sixty-nine thousand, twenty-nine".