16840484 has 6 divisors (see below), whose sum is σ = 29470854. Its totient is φ = 8420240.

The previous prime is 16840469. The next prime is 16840493. The reversal of 16840484 is 48404861.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 760384 = 4010^2 + 872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105057 + ... + 2105064.

It is an arithmetic number, because the mean of its divisors is an integer number (4911809).

Almost surely, 2^16840484 is an apocalyptic number.

It is an amenable number.

16840484 is a deficient number, since it is larger than the sum of its proper divisors (12630370).

16840484 is a wasteful number, since it uses less digits than its factorization.

16840484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210125 (or 4210123 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 16840484 is about 4103.7158771046. The cubic root of 16840484 is about 256.3213940273.

The spelling of 16840484 in words is "sixteen million, eight hundred forty thousand, four hundred eighty-four".