30879485 has 16 divisors (see below), whose sum is σ = 45607296. Its totient is φ = 19545408.

The previous prime is 30879473. The next prime is 30879487. The reversal of 30879485 is 58497803.

It is a cyclic number.

It is not a de Polignac number, because 30879485 - 2¹² = 30875389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30879487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33479 + ... + 34388.

It is an arithmetic number, because the mean of its divisors is an integer number (2850456).

Almost surely, 2^30879485 is an apocalyptic number.

30879485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30879485 is a deficient number, since it is larger than the sum of its proper divisors (14727811).

30879485 is a wasteful number, since it uses less digits than its factorization.

30879485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67892.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 30879485 is about 5556.9312574478. The cubic root of 30879485 is about 313.7304575586.

The spelling of 30879485 in words is "thirty million, eight hundred seventy-nine thousand, four hundred eighty-five".