16280379 has 8 divisors (see below), whose sum is σ = 24119120. Its totient is φ = 10853568.

The previous prime is 16280353. The next prime is 16280393. The reversal of 16280379 is 97308261.

16280379 is a `hidden beast` number, since 1 + 6 + 280 + 379 = 666.

It is not a de Polignac number, because 16280379 - 2⁸ = 16280123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16280309) 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, 301462 + ... + 301515.

It is an arithmetic number, because the mean of its divisors is an integer number (3014890).

Almost surely, 2^16280379 is an apocalyptic number.

16280379 is a deficient number, since it is larger than the sum of its proper divisors (7838741).

16280379 is an equidigital number, since it uses as much as digits as its factorization.

16280379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602986 (or 602980 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16280379 is about 4034.8951659244. The cubic root of 16280379 is about 253.4475925415.

The spelling of 16280379 in words is "sixteen million, two hundred eighty thousand, three hundred seventy-nine".