4661289 has 12 divisors (see below), whose sum is σ = 7087600. Its totient is φ = 2943864.

The previous prime is 4661263. The next prime is 4661291. The reversal of 4661289 is 9821664.

It is not a de Polignac number, because 4661289 - 2⁷ = 4661161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4661299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13459 + ... + 13800.

Almost surely, 2^4661289 is an apocalyptic number.

It is an amenable number.

4661289 is a deficient number, since it is larger than the sum of its proper divisors (2426311).

4661289 is a wasteful number, since it uses less digits than its factorization.

4661289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284 (or 27281 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4661289 is about 2159.0018527088. The cubic root of 4661289 is about 167.0457163854.

It can be divided in two parts, 4661 and 289, that added together give a triangular number (4950 = T₉₉).

The spelling of 4661289 in words is "four million, six hundred sixty-one thousand, two hundred eighty-nine".