16338730 has 8 divisors (see below), whose sum is σ = 29409732. Its totient is φ = 6535488.

The previous prime is 16338703. The next prime is 16338731. The reversal of 16338730 is 3783361.

It can be written as a sum of positive squares in 2 ways, for example, as 16024009 + 314721 = 4003^2 + 561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16338692 and 16338701.

It is not an unprimeable number, because it can be changed into a prime (16338731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816927 + ... + 816946.

Almost surely, 2^16338730 is an apocalyptic number.

16338730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16338730 is a deficient number, since it is larger than the sum of its proper divisors (13071002).

16338730 is a wasteful number, since it uses less digits than its factorization.

16338730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633880.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 16338730 is about 4042.1194935331. The cubic root of 16338730 is about 253.7500279065.

The spelling of 16338730 in words is "sixteen million, three hundred thirty-eight thousand, seven hundred thirty".