16900417 has 4 divisors (see below), whose sum is σ = 17483220. Its totient is φ = 16317616.

The previous prime is 16900369. The next prime is 16900421. The reversal of 16900417 is 71400961.

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 7420176 + 9480241 = 2724^2 + 3079^2 .

It is a cyclic number.

It is not a de Polignac number, because 16900417 - 2²³ = 8511809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16900427) 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, 291358 + ... + 291415.

It is an arithmetic number, because the mean of its divisors is an integer number (4370805).

Almost surely, 2^16900417 is an apocalyptic number.

It is an amenable number.

16900417 is a deficient number, since it is larger than the sum of its proper divisors (582803).

16900417 is an equidigital number, since it uses as much as digits as its factorization.

16900417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582802.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16900417 is about 4111.0116759747. The cubic root of 16900417 is about 256.6251050561.

The spelling of 16900417 in words is "sixteen million, nine hundred thousand, four hundred seventeen".