16490424 has 16 divisors (see below), whose sum is σ = 41226120. Its totient is φ = 5496800.

The previous prime is 16490417. The next prime is 16490443. The reversal of 16490424 is 42409461.

It is a junction number, because it is equal to n+sod(n) for n = 16490391 and 16490400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343527 + ... + 343574.

Almost surely, 2^16490424 is an apocalyptic number.

It is an amenable number.

16490424 is an abundant number, since it is smaller than the sum of its proper divisors (24735696).

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

16490424 is a wasteful number, since it uses less digits than its factorization.

16490424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687110 (or 687106 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 16490424 is about 4060.8403071286. The cubic root of 16490424 is about 254.5329088746.

Adding to 16490424 its reverse (42409461), we get a palindrome (58899885).

The spelling of 16490424 in words is "sixteen million, four hundred ninety thousand, four hundred twenty-four".