30296869 has 4 divisors (see below), whose sum is σ = 30596940. Its totient is φ = 29996800.

The previous prime is 30296863. The next prime is 30296879. The reversal of 30296869 is 96869203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23406244 + 6890625 = 4838^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 30296869 - 2⁵ = 30296837 is a prime.

It is a super-2 number, since 2×30296869² = 1835800542406322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30296863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149884 + ... + 150085.

It is an arithmetic number, because the mean of its divisors is an integer number (7649235).

Almost surely, 2^30296869 is an apocalyptic number.

It is an amenable number.

30296869 is a deficient number, since it is larger than the sum of its proper divisors (300071).

30296869 is a wasteful number, since it uses less digits than its factorization.

30296869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300070.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 30296869 is about 5504.2591690436. The cubic root of 30296869 is about 311.7448227200.

The spelling of 30296869 in words is "thirty million, two hundred ninety-six thousand, eight hundred sixty-nine".