18988034 has 16 divisors (see below), whose sum is σ = 30750720. Its totient is φ = 8741520.

The previous prime is 18988007. The next prime is 18988037. The reversal of 18988034 is 43088981.

It is a junction number, because it is equal to n+sod(n) for n = 18987982 and 18988000.

It is not an unprimeable number, because it can be changed into a prime (18988037) 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, 14207 + ... + 15485.

It is an arithmetic number, because the mean of its divisors is an integer number (1921920).

Almost surely, 2^18988034 is an apocalyptic number.

18988034 is a deficient number, since it is larger than the sum of its proper divisors (11762686).

18988034 is a wasteful number, since it uses less digits than its factorization.

18988034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 18988034 is about 4357.5261330255. The cubic root of 18988034 is about 266.7841353993.

The spelling of 18988034 in words is "eighteen million, nine hundred eighty-eight thousand, thirty-four".