18029332 has 12 divisors (see below), whose sum is σ = 32923296. Its totient is φ = 8622680.

The previous prime is 18029303. The next prime is 18029351. The reversal of 18029332 is 23392081.

It is a self number, because there is not a number n which added to its sum of digits gives 18029332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97894 + ... + 98077.

It is an arithmetic number, because the mean of its divisors is an integer number (2743608).

Almost surely, 2^18029332 is an apocalyptic number.

It is an amenable number.

18029332 is a deficient number, since it is larger than the sum of its proper divisors (14893964).

18029332 is a wasteful number, since it uses less digits than its factorization.

18029332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195998 (or 195996 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 18029332 is about 4246.0960893508. The cubic root of 18029332 is about 262.2164169558.

The spelling of 18029332 in words is "eighteen million, twenty-nine thousand, three hundred thirty-two".