16284340 has 24 divisors (see below), whose sum is σ = 34309800. Its totient is φ = 6492288.

The previous prime is 16284319. The next prime is 16284353. The reversal of 16284340 is 4348261.

It can be written as a sum of positive squares in 4 ways, for example, as 2056356 + 14227984 = 1434^2 + 3772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16284299 and 16284308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5814 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (1429575).

Almost surely, 2^16284340 is an apocalyptic number.

16284340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16284340 is an abundant number, since it is smaller than the sum of its proper divisors (18025460).

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

16284340 is a wasteful number, since it uses less digits than its factorization.

16284340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 16284340 is about 4035.3859790607. The cubic root of 16284340 is about 253.4681453904.

The spelling of 16284340 in words is "sixteen million, two hundred eighty-four thousand, three hundred forty".