30969650 has 24 divisors (see below), whose sum is σ = 58004100. Its totient is φ = 12301760.

The previous prime is 30969623. The next prime is 30969689. The reversal of 30969650 is 5696903.

It can be written as a sum of positive squares in 6 ways, for example, as 4765489 + 26204161 = 2183^2 + 5119^2 .

It is a super-2 number, since 2×30969650² = 1918238442245000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5372 + ... + 9528.

Almost surely, 2^30969650 is an apocalyptic number.

30969650 is a deficient number, since it is larger than the sum of its proper divisors (27034450).

30969650 is a wasteful number, since it uses less digits than its factorization.

30969650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 30969650 is about 5565.0381849543. The cubic root of 30969650 is about 314.0355146653.

The spelling of 30969650 in words is "thirty million, nine hundred sixty-nine thousand, six hundred fifty".