30019092 has 12 divisors (see below), whose sum is σ = 70044576. Its totient is φ = 10006360.

The previous prime is 30019091. The next prime is 30019103. The reversal of 30019092 is 29091003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30019092² = 1802291769008928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30019091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250784 + ... + 1250807.

It is an arithmetic number, because the mean of its divisors is an integer number (5837048).

Almost surely, 2^30019092 is an apocalyptic number.

It is an amenable number.

30019092 is an abundant number, since it is smaller than the sum of its proper divisors (40025484).

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

30019092 is a wasteful number, since it uses less digits than its factorization.

30019092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501598 (or 2501596 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 30019092 is about 5478.9681510299. The cubic root of 30019092 is about 310.7891513765.

The spelling of 30019092 in words is "thirty million, nineteen thousand, ninety-two".