18452349 has 6 divisors (see below), whose sum is σ = 26653406. Its totient is φ = 12301560.

The previous prime is 18452339. The next prime is 18452359. The reversal of 18452349 is 94325481.

It is an interprime number because it is at equal distance from previous prime (18452339) and next prime (18452359).

It can be written as a sum of positive squares in only one way, i.e., 18429849 + 22500 = 4293^2 + 150^2 .

It is not a de Polignac number, because 18452349 - 2⁷ = 18452221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18452339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025122 + ... + 1025139.

Almost surely, 2^18452349 is an apocalyptic number.

It is an amenable number.

18452349 is a deficient number, since it is larger than the sum of its proper divisors (8201057).

18452349 is a wasteful number, since it uses less digits than its factorization.

18452349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050267 (or 2050264 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 18452349 is about 4295.6197457410. The cubic root of 18452349 is about 264.2513532426.

The spelling of 18452349 in words is "eighteen million, four hundred fifty-two thousand, three hundred forty-nine".