18347054 has 32 divisors (see below), whose sum is σ = 31726080. Its totient is φ = 7876000.

The previous prime is 18347051. The next prime is 18347057. The reversal of 18347054 is 45074381.

It is an interprime number because it is at equal distance from previous prime (18347051) and next prime (18347057).

It is a super-2 number, since 2×18347054² = 673228780957832, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 18347054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18347051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50927 + ... + 51285.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^18347054 is an apocalyptic number.

18347054 is a deficient number, since it is larger than the sum of its proper divisors (13379026).

18347054 is a wasteful number, since it uses less digits than its factorization.

18347054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 18347054 is about 4283.3461219005. The cubic root of 18347054 is about 263.7477599145.

It can be divided in two parts, 1834 and 7054, that added together give a palindrome (8888).

The spelling of 18347054 in words is "eighteen million, three hundred forty-seven thousand, fifty-four".