16484749 has 4 divisors (see below), whose sum is σ = 16795836. Its totient is φ = 16173664.

The previous prime is 16484729. The next prime is 16484753. The reversal of 16484749 is 94748461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14768649 + 1716100 = 3843^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 16484749 - 2⁷ = 16484621 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 (16484729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155464 + ... + 155569.

It is an arithmetic number, because the mean of its divisors is an integer number (4198959).

Almost surely, 2^16484749 is an apocalyptic number.

It is an amenable number.

16484749 is a deficient number, since it is larger than the sum of its proper divisors (311087).

16484749 is an equidigital number, since it uses as much as digits as its factorization.

16484749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311086.

The product of its digits is 193536, while the sum is 43.

The square root of 16484749 is about 4060.1414999973. The cubic root of 16484749 is about 254.5037072808.

The spelling of 16484749 in words is "sixteen million, four hundred eighty-four thousand, seven hundred forty-nine".