18830770 has 32 divisors (see below), whose sum is σ = 38896128. Its totient is φ = 6429888.

The previous prime is 18830759. The next prime is 18830771. The reversal of 18830770 is 7703881.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18830771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25324 + ... + 26056.

It is an arithmetic number, because the mean of its divisors is an integer number (1215504).

Almost surely, 2^18830770 is an apocalyptic number.

18830770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18830770 is an abundant number, since it is smaller than the sum of its proper divisors (20065358).

18830770 is a wasteful number, since it uses less digits than its factorization.

18830770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 18830770 is about 4339.4435127099. The cubic root of 18830770 is about 266.0455666563.

It can be divided in two parts, 18830 and 770, that added together give a square (19600 = 140²).

The spelling of 18830770 in words is "eighteen million, eight hundred thirty thousand, seven hundred seventy".