30769869 has 8 divisors (see below), whose sum is σ = 44182432. Its totient is φ = 18935280.

The previous prime is 30769867. The next prime is 30769931. The reversal of 30769869 is 96896703.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30769869 - 2¹ = 30769867 is a prime.

It is a super-2 number, since 2×30769869² = 1893569676554322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30769861) 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 7 ways as a sum of consecutive naturals, for example, 394447 + ... + 394524.

It is an arithmetic number, because the mean of its divisors is an integer number (5522804).

Almost surely, 2^30769869 is an apocalyptic number.

30769869 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30769869 is a deficient number, since it is larger than the sum of its proper divisors (13412563).

30769869 is a wasteful number, since it uses less digits than its factorization.

30769869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788987.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 30769869 is about 5547.0594912981. The cubic root of 30769869 is about 313.3587906231.

The spelling of 30769869 in words is "thirty million, seven hundred sixty-nine thousand, eight hundred sixty-nine".