16390350 has 144 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 4082400.

The previous prime is 16390343. The next prime is 16390373. The reversal of 16390350 is 5309361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 230815 + ... + 230885.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^16390350 is an apocalyptic number.

16390350 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 16390350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373440).

16390350 is an abundant number, since it is smaller than the sum of its proper divisors (32356530).

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

16390350 is a wasteful number, since it uses less digits than its factorization.

16390350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 16390350 is about 4048.4997221193. The cubic root of 16390350 is about 254.0169765659.

The spelling of 16390350 in words is "sixteen million, three hundred ninety thousand, three hundred fifty".