16927490 has 8 divisors (see below), whose sum is σ = 30469500. Its totient is φ = 6770992.

The previous prime is 16927487. The next prime is 16927501. The reversal of 16927490 is 9472961.

It can be written as a sum of positive squares in 2 ways, for example, as 15784729 + 1142761 = 3973^2 + 1069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846365 + ... + 846384.

Almost surely, 2^16927490 is an apocalyptic number.

16927490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16927490 is a deficient number, since it is larger than the sum of its proper divisors (13542010).

16927490 is a wasteful number, since it uses less digits than its factorization.

16927490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692756.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 16927490 is about 4114.3031001617. The cubic root of 16927490 is about 256.7620623265.

The spelling of 16927490 in words is "sixteen million, nine hundred twenty-seven thousand, four hundred ninety".