16436490 has 128 divisors (see below), whose sum is σ = 48771072. Its totient is φ = 3463680.

The previous prime is 16436471. The next prime is 16436491. The reversal of 16436490 is 9463461.

It is not an unprimeable number, because it can be changed into a prime (16436491) 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 63 ways as a sum of consecutive naturals, for example, 197989 + ... + 198071.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 2^16436490 is an apocalyptic number.

16436490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16436490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24385536).

16436490 is an abundant number, since it is smaller than the sum of its proper divisors (32334582).

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

16436490 is a wasteful number, since it uses less digits than its factorization.

16436490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 16436490 is about 4054.1941246073. The cubic root of 16436490 is about 254.2551118630.

The spelling of 16436490 in words is "sixteen million, four hundred thirty-six thousand, four hundred ninety".