18248354 has 4 divisors (see below), whose sum is σ = 27372534. Its totient is φ = 9124176.

The previous prime is 18248317. The next prime is 18248357. The reversal of 18248354 is 45384281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45384281 = 47 ⋅965623.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 801025 = 4177^2 + 895^2 .

It is not an unprimeable number, because it can be changed into a prime (18248357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4562087 + ... + 4562090.

Almost surely, 2^18248354 is an apocalyptic number.

18248354 is a deficient number, since it is larger than the sum of its proper divisors (9124180).

18248354 is an equidigital number, since it uses as much as digits as its factorization.

18248354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124179.

The product of its digits is 30720, while the sum is 35.

The square root of 18248354 is about 4271.8092185864. The cubic root of 18248354 is about 263.2739558836.

The spelling of 18248354 in words is "eighteen million, two hundred forty-eight thousand, three hundred fifty-four".