30996669 has 8 divisors (see below), whose sum is σ = 45086112. Its totient is φ = 18785840.

The previous prime is 30996659. The next prime is 30996671. The reversal of 30996669 is 96669903.

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

It is a cyclic number.

It is not a de Polignac number, because 30996669 - 2¹² = 30992573 is a prime.

It is a super-2 number, since 2×30996669² = 1921586978191122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469614 + ... + 469679.

It is an arithmetic number, because the mean of its divisors is an integer number (5635764).

Almost surely, 2^30996669 is an apocalyptic number.

It is an amenable number.

30996669 is a deficient number, since it is larger than the sum of its proper divisors (14089443).

30996669 is a wasteful number, since it uses less digits than its factorization.

30996669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939307.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 30996669 is about 5567.4652221635. The cubic root of 30996669 is about 314.1268132889.

It can be divided in two parts, 30 and 996669, that added together give a palindrome (996699).

The spelling of 30996669 in words is "thirty million, nine hundred ninety-six thousand, six hundred sixty-nine".