30979814 has 8 divisors (see below), whose sum is σ = 49203288. Its totient is φ = 14578720.

The previous prime is 30979811. The next prime is 30979843. The reversal of 30979814 is 41897903.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30979811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455552 + ... + 455619.

It is an arithmetic number, because the mean of its divisors is an integer number (6150411).

Almost surely, 2^30979814 is an apocalyptic number.

30979814 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30979814 is a deficient number, since it is larger than the sum of its proper divisors (18223474).

30979814 is a wasteful number, since it uses less digits than its factorization.

30979814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911190.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 30979814 is about 5565.9513113214. The cubic root of 30979814 is about 314.0698655847.

The spelling of 30979814 in words is "thirty million, nine hundred seventy-nine thousand, eight hundred fourteen".