18829130 has 16 divisors (see below), whose sum is σ = 34122600. Its totient is φ = 7480512.

The previous prime is 18829123. The next prime is 18829163. The reversal of 18829130 is 3192881.

It can be written as a sum of positive squares in 4 ways, for example, as 6974881 + 11854249 = 2641^2 + 3443^2 .

It is a super-2 number, since 2×18829130² = 709072273113800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4829 + ... + 7808.

Almost surely, 2^18829130 is an apocalyptic number.

18829130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18829130 is a deficient number, since it is larger than the sum of its proper divisors (15293470).

18829130 is a wasteful number, since it uses less digits than its factorization.

18829130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 18829130 is about 4339.2545442737. The cubic root of 18829130 is about 266.0378429963.

The spelling of 18829130 in words is "eighteen million, eight hundred twenty-nine thousand, one hundred thirty".