16932397 has 2 divisors, whose sum is σ = 16932398. Its totient is φ = 16932396.

The previous prime is 16932389. The next prime is 16932403. The reversal of 16932397 is 79323961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10949481 + 5982916 = 3309^2 + 2446^2 .

It is a cyclic number.

It is not a de Polignac number, because 16932397 - 2³ = 16932389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16932337) by changing a digit.

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, 8466198 + 8466199.

It is an arithmetic number, because the mean of its divisors is an integer number (8466199).

Almost surely, 2^16932397 is an apocalyptic number.

It is an amenable number.

16932397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16932397 is an equidigital number, since it uses as much as digits as its factorization.

16932397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 40.

The square root of 16932397 is about 4114.8993912367. The cubic root of 16932397 is about 256.7868702911.

The spelling of 16932397 in words is "sixteen million, nine hundred thirty-two thousand, three hundred ninety-seven".