8416890 has 48 divisors (see below), whose sum is σ = 22427496. Its totient is φ = 2188800.

The previous prime is 8416879. The next prime is 8416937. The reversal of 8416890 is 986148.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4968441 + 3448449 = 2229^2 + 1857^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 4830.

Almost surely, 2^8416890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8416890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11213748).

8416890 is an abundant number, since it is smaller than the sum of its proper divisors (14010606).

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

8416890 is a wasteful number, since it uses less digits than its factorization.

8416890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8416890 is about 2901.1876878272. The cubic root of 8416890 is about 203.4154256595.

The spelling of 8416890 in words is "eight million, four hundred sixteen thousand, eight hundred ninety".