4281616 has 10 divisors (see below), whose sum is σ = 8295662. Its totient is φ = 2140800.

The previous prime is 4281601. The next prime is 4281619. The reversal of 4281616 is 6161824.

4281616 = T₁₆₈₈ + T₁₆₈₉ + T₁₆₉₀.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 1971216 = 1520^2 + 1404^2 .

It is not an unprimeable number, because it can be changed into a prime (4281619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133785 + ... + 133816.

Almost surely, 2^4281616 is an apocalyptic number.

4281616 is the 1690-th centered triangular number.

It is an amenable number.

4281616 is a deficient number, since it is larger than the sum of its proper divisors (4014046).

4281616 is a wasteful number, since it uses less digits than its factorization.

4281616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267609 (or 267603 counting only the distinct ones).

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

The square root of 4281616 is about 2069.2066112402. The cubic root of 4281616 is about 162.3812592124.

The spelling of 4281616 in words is "four million, two hundred eighty-one thousand, six hundred sixteen".