16286290 has 16 divisors (see below), whose sum is σ = 30108312. Its totient is φ = 6338304.

The previous prime is 16286279. The next prime is 16286297. The reversal of 16286290 is 9268261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16184529 + 101761 = 4023^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (16286297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21639 + ... + 22378.

Almost surely, 2^16286290 is an apocalyptic number.

16286290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16286290 is a deficient number, since it is larger than the sum of its proper divisors (13822022).

16286290 is a wasteful number, since it uses less digits than its factorization.

16286290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44061.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 16286290 is about 4035.6275844037. The cubic root of 16286290 is about 253.4782623321.

The spelling of 16286290 in words is "sixteen million, two hundred eighty-six thousand, two hundred ninety".