30061898 has 16 divisors (see below), whose sum is σ = 46068480. Its totient is φ = 14708400.

The previous prime is 30061879. The next prime is 30061903. The reversal of 30061898 is 89816003.

It is a super-2 number, since 2×30061898² = 1807435422724808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28643 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (2879280).

Almost surely, 2^30061898 is an apocalyptic number.

30061898 is a deficient number, since it is larger than the sum of its proper divisors (16006582).

30061898 is a wasteful number, since it uses less digits than its factorization.

30061898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 30061898 is about 5482.8731519159. The cubic root of 30061898 is about 310.9368054310.

The spelling of 30061898 in words is "thirty million, sixty-one thousand, eight hundred ninety-eight".