30498190 has 16 divisors (see below), whose sum is σ = 55114992. Its totient is φ = 12150784.

The previous prime is 30498179. The next prime is 30498191. The reversal of 30498190 is 9189403.

It is a super-2 number, since 2×30498190² = 1860279186552200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30498191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (3444687).

Almost surely, 2^30498190 is an apocalyptic number.

30498190 is a deficient number, since it is larger than the sum of its proper divisors (24616802).

30498190 is a wasteful number, since it uses less digits than its factorization.

30498190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 30498190 is about 5522.5166364620. The cubic root of 30498190 is about 312.4338078472.

The spelling of 30498190 in words is "thirty million, four hundred ninety-eight thousand, one hundred ninety".