30869965 has 32 divisors (see below), whose sum is σ = 45354240. Its totient is φ = 19699200.

The previous prime is 30869953. The next prime is 30869981. The reversal of 30869965 is 56996803.

It is not a de Polignac number, because 30869965 - 2¹¹ = 30867917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40185 + ... + 40945.

It is an arithmetic number, because the mean of its divisors is an integer number (1417320).

Almost surely, 2^30869965 is an apocalyptic number.

30869965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30869965 is a deficient number, since it is larger than the sum of its proper divisors (14484275).

30869965 is a wasteful number, since it uses less digits than its factorization.

30869965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 30869965 is about 5556.0746035308. The cubic root of 30869965 is about 313.6982137033.

The spelling of 30869965 in words is "thirty million, eight hundred sixty-nine thousand, nine hundred sixty-five".