4149028 has 24 divisors (see below), whose sum is σ = 7933688. Its totient is φ = 1886976.

The previous prime is 4149023. The next prime is 4149029. The reversal of 4149028 is 8209414.

It can be written as a sum of positive squares in 4 ways, for example, as 1183744 + 2965284 = 1088^2 + 1722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4148987 and 4149005.

It is not an unprimeable number, because it can be changed into a prime (4149023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3250 + ... + 4342.

Almost surely, 2^4149028 is an apocalyptic number.

It is an amenable number.

4149028 is a deficient number, since it is larger than the sum of its proper divisors (3784660).

4149028 is a wasteful number, since it uses less digits than its factorization.

4149028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4149028 is about 2036.9162967584. The cubic root of 4149028 is about 160.6875103284.

The spelling of 4149028 in words is "four million, one hundred forty-nine thousand, twenty-eight".