18059476 has 6 divisors (see below), whose sum is σ = 31604090. Its totient is φ = 9029736.

The previous prime is 18059473. The next prime is 18059497. The reversal of 18059476 is 67495081.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 4955076 = 3620^2 + 2226^2 .

It is a super-2 number, since 2×18059476² = 652289346789152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18059473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2257431 + ... + 2257438.

Almost surely, 2^18059476 is an apocalyptic number.

It is an amenable number.

18059476 is a deficient number, since it is larger than the sum of its proper divisors (13544614).

18059476 is a wasteful number, since it uses less digits than its factorization.

18059476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514873 (or 4514871 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 18059476 is about 4249.6442204025. The cubic root of 18059476 is about 262.3624724800.

The spelling of 18059476 in words is "eighteen million, fifty-nine thousand, four hundred seventy-six".