18348956 has 12 divisors (see below), whose sum is σ = 32563440. Its totient is φ = 9045120.

The previous prime is 18348949. The next prime is 18348977. The reversal of 18348956 is 65984381.

18348956 = T₃₀₄ + T₃₀₅ + ... + T₅₁₆.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32021 + ... + 32588.

It is an arithmetic number, because the mean of its divisors is an integer number (2713620).

Almost surely, 2^18348956 is an apocalyptic number.

It is an amenable number.

18348956 is a deficient number, since it is larger than the sum of its proper divisors (14214484).

18348956 is a wasteful number, since it uses less digits than its factorization.

18348956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64684 (or 64682 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 18348956 is about 4283.5681388301. The cubic root of 18348956 is about 263.7568736557.

The spelling of 18348956 in words is "eighteen million, three hundred forty-eight thousand, nine hundred fifty-six".