16397862 has 16 divisors (see below), whose sum is σ = 35318640. Its totient is φ = 5045472.

The previous prime is 16397839. The next prime is 16397867. The reversal of 16397862 is 26879361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16397867) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 105037 + ... + 105192.

It is an arithmetic number, because the mean of its divisors is an integer number (2207415).

Almost surely, 2^16397862 is an apocalyptic number.

16397862 is an abundant number, since it is smaller than the sum of its proper divisors (18920778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16397862 is a wasteful number, since it uses less digits than its factorization.

16397862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210247.

The product of its digits is 108864, while the sum is 42.

The square root of 16397862 is about 4049.4273669249. The cubic root of 16397862 is about 254.0557775288.

The spelling of 16397862 in words is "sixteen million, three hundred ninety-seven thousand, eight hundred sixty-two".