18480802 has 8 divisors (see below), whose sum is σ = 29351916. Its totient is φ = 8696832.

The previous prime is 18480779. The next prime is 18480809. The reversal of 18480802 is 20808481.

It can be written as a sum of positive squares in 2 ways, for example, as 18412681 + 68121 = 4291^2 + 261^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18480809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271743 + ... + 271810.

Almost surely, 2^18480802 is an apocalyptic number.

18480802 is a deficient number, since it is larger than the sum of its proper divisors (10871114).

18480802 is a wasteful number, since it uses less digits than its factorization.

18480802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543572.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 18480802 is about 4298.9303320710. The cubic root of 18480802 is about 264.3871061937.

The spelling of 18480802 in words is "eighteen million, four hundred eighty thousand, eight hundred two".