16383497 has 4 divisors (see below), whose sum is σ = 17643780. Its totient is φ = 15123216.

The previous prime is 16383487. The next prime is 16383503. The reversal of 16383497 is 79438361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5067001 + 11316496 = 2251^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 16383497 - 2⁴ = 16383481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16383487) 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, 630122 + ... + 630147.

It is an arithmetic number, because the mean of its divisors is an integer number (4410945).

Almost surely, 2^16383497 is an apocalyptic number.

It is an amenable number.

16383497 is a deficient number, since it is larger than the sum of its proper divisors (1260283).

16383497 is a wasteful number, since it uses less digits than its factorization.

16383497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260282.

The product of its digits is 108864, while the sum is 41.

The square root of 16383497 is about 4047.6532707237. The cubic root of 16383497 is about 253.9815691258.

The spelling of 16383497 in words is "sixteen million, three hundred eighty-three thousand, four hundred ninety-seven".