16453394 has 4 divisors (see below), whose sum is σ = 24680094. Its totient is φ = 8226696.

The previous prime is 16453387. The next prime is 16453417. The reversal of 16453394 is 49335461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16297369 + 156025 = 4037^2 + 395^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113347 + ... + 4113350.

Almost surely, 2^16453394 is an apocalyptic number.

16453394 is a deficient number, since it is larger than the sum of its proper divisors (8226700).

16453394 is an equidigital number, since it uses as much as digits as its factorization.

16453394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226699.

The product of its digits is 38880, while the sum is 35.

The square root of 16453394 is about 4056.2783435065. The cubic root of 16453394 is about 254.3422443319.

The spelling of 16453394 in words is "sixteen million, four hundred fifty-three thousand, three hundred ninety-four".