18294356 has 6 divisors (see below), whose sum is σ = 32015130. Its totient is φ = 9147176.

The previous prime is 18294347. The next prime is 18294383. The reversal of 18294356 is 65349281.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 8584900 = 3116^2 + 2930^2 .

It is a super-2 number, since 2×18294356² = 669366922909472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2286791 + ... + 2286798.

It is an arithmetic number, because the mean of its divisors is an integer number (5335855).

Almost surely, 2^18294356 is an apocalyptic number.

It is an amenable number.

18294356 is a deficient number, since it is larger than the sum of its proper divisors (13720774).

18294356 is a wasteful number, since it uses less digits than its factorization.

18294356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573593 (or 4573591 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 18294356 is about 4277.1901991845. The cubic root of 18294356 is about 263.4949980267.

The spelling of 18294356 in words is "eighteen million, two hundred ninety-four thousand, three hundred fifty-six".