30198492 has 36 divisors (see below), whose sum is σ = 76505520. Its totient is φ = 10043712.

The previous prime is 30198481. The next prime is 30198523. The reversal of 30198492 is 29489103.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26184 + ... + 27312.

Almost surely, 2^30198492 is an apocalyptic number.

It is an amenable number.

30198492 is an abundant number, since it is smaller than the sum of its proper divisors (46307028).

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

30198492 is a wasteful number, since it uses less digits than its factorization.

30198492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 30198492 is about 5495.3154595528. The cubic root of 30198492 is about 311.4070345145.

It can be divided in two parts, 3019 and 8492, that added together give a palindrome (11511).

The spelling of 30198492 in words is "thirty million, one hundred ninety-eight thousand, four hundred ninety-two".