16284240 has 200 divisors, whose sum is σ = 64817280. Its totient is φ = 3711744.

The previous prime is 16284239. The next prime is 16284287. The reversal of 16284240 is 4248261.

16284240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45181 + ... + 45539.

Almost surely, 2^16284240 is an apocalyptic number.

16284240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16284240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32408640).

16284240 is an abundant number, since it is smaller than the sum of its proper divisors (48533040).

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

16284240 is a wasteful number, since it uses less digits than its factorization.

16284240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 16284240 is about 4035.3735886532. The cubic root of 16284240 is about 253.4676265511.

The spelling of 16284240 in words is "sixteen million, two hundred eighty-four thousand, two hundred forty".