18469963 has 8 divisors (see below), whose sum is σ = 18878400. Its totient is φ = 18066048.

The previous prime is 18469933. The next prime is 18470003. The reversal of 18469963 is 36996481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18469963 - 2⁵ = 18469931 is a prime.

It is a super-2 number, since 2×18469963² = 682279066442738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18469933) 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, 7893 + ... + 9961.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 2^18469963 is an apocalyptic number.

18469963 is a deficient number, since it is larger than the sum of its proper divisors (408437).

18469963 is a wasteful number, since it uses less digits than its factorization.

18469963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its digits is 279936, while the sum is 46.

The square root of 18469963 is about 4297.6694847324. The cubic root of 18469963 is about 264.3354083603.

The spelling of 18469963 in words is "eighteen million, four hundred sixty-nine thousand, nine hundred sixty-three".