18876245 has 18 divisors (see below), whose sum is σ = 23814882. Its totient is φ = 14362656.

The previous prime is 18876233. The next prime is 18876257. The reversal of 18876245 is 54267881.

It is an interprime number because it is at equal distance from previous prime (18876233) and next prime (18876257).

It can be written as a sum of positive squares in 3 ways, for example, as 2172676 + 16703569 = 1474^2 + 4087^2 .

It is not a de Polignac number, because 18876245 - 2⁴ = 18876229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 281702 + ... + 281768.

It is an arithmetic number, because the mean of its divisors is an integer number (1323049).

Almost surely, 2^18876245 is an apocalyptic number.

It is an amenable number.

18876245 is a deficient number, since it is larger than the sum of its proper divisors (4938637).

18876245 is an frugal number, since it uses more digits than its factorization.

18876245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 101 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 18876245 is about 4344.6800802821. The cubic root of 18876245 is about 266.2595550069.

The spelling of 18876245 in words is "eighteen million, eight hundred seventy-six thousand, two hundred forty-five".