18834345 has 36 divisors (see below), whose sum is σ = 33497100. Its totient is φ = 9789312.

The previous prime is 18834331. The next prime is 18834353. The reversal of 18834345 is 54343881.

It can be written as a sum of positive squares in 6 ways, for example, as 68121 + 18766224 = 261^2 + 4332^2 .

It is not a de Polignac number, because 18834345 - 2¹⁶ = 18768809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126331 + ... + 126479.

It is an arithmetic number, because the mean of its divisors is an integer number (930475).

Almost surely, 2^18834345 is an apocalyptic number.

18834345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18834345 is a deficient number, since it is larger than the sum of its proper divisors (14662755).

18834345 is a wasteful number, since it uses less digits than its factorization.

18834345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 210 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 18834345 is about 4339.8554123381. The cubic root of 18834345 is about 266.0624017391.

The spelling of 18834345 in words is "eighteen million, eight hundred thirty-four thousand, three hundred forty-five".