18263030 has 16 divisors (see below), whose sum is σ = 33934464. Its totient is φ = 7069440.

The previous prime is 18263023. The next prime is 18263039. The reversal of 18263030 is 3036281.

It is a junction number, because it is equal to n+sod(n) for n = 18262987 and 18263005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18263039) 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, 29147 + ... + 29766.

It is an arithmetic number, because the mean of its divisors is an integer number (2120904).

Almost surely, 2^18263030 is an apocalyptic number.

18263030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18263030 is a deficient number, since it is larger than the sum of its proper divisors (15671434).

18263030 is a wasteful number, since it uses less digits than its factorization.

18263030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58951.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 18263030 is about 4273.5266466936. The cubic root of 18263030 is about 263.3445151833.

The spelling of 18263030 in words is "eighteen million, two hundred sixty-three thousand, thirty".