30849798 has 32 divisors (see below), whose sum is σ = 74663424. Its totient is φ = 8295552.

The previous prime is 30849779. The next prime is 30849809. The reversal of 30849798 is 89794803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20890 + ... + 22317.

It is an arithmetic number, because the mean of its divisors is an integer number (2333232).

Almost surely, 2^30849798 is an apocalyptic number.

30849798 is an abundant number, since it is smaller than the sum of its proper divisors (43813626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30849798 is a wasteful number, since it uses less digits than its factorization.

30849798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43236.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 30849798 is about 5554.2594465869. The cubic root of 30849798 is about 313.6298869870.

The spelling of 30849798 in words is "thirty million, eight hundred forty-nine thousand, seven hundred ninety-eight".