18377049 has 8 divisors (see below), whose sum is σ = 25165120. Its totient is φ = 11920176.

The previous prime is 18377033. The next prime is 18377057. The reversal of 18377049 is 94077381.

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

It is not a de Polignac number, because 18377049 - 2⁴ = 18377033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18376998 and 18377016.

It is not an unprimeable number, because it can be changed into a prime (18377449) 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 in 7 ways as a sum of consecutive naturals, for example, 82669 + ... + 82890.

It is an arithmetic number, because the mean of its divisors is an integer number (3145640).

Almost surely, 2^18377049 is an apocalyptic number.

It is an amenable number.

18377049 is a deficient number, since it is larger than the sum of its proper divisors (6788071).

18377049 is a wasteful number, since it uses less digits than its factorization.

18377049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165599.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 18377049 is about 4286.8460434217. The cubic root of 18377049 is about 263.8914125278.

The spelling of 18377049 in words is "eighteen million, three hundred seventy-seven thousand, forty-nine".