4465989 has 24 divisors (see below), whose sum is σ = 7277760. Its totient is φ = 2704680.

The previous prime is 4465973. The next prime is 4466009. The reversal of 4465989 is 9895644.

It is a happy number.

It is not a de Polignac number, because 4465989 - 2⁴ = 4465973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4465919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2584 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (303240).

Almost surely, 2^4465989 is an apocalyptic number.

It is an amenable number.

4465989 is a deficient number, since it is larger than the sum of its proper divisors (2811771).

4465989 is a wasteful number, since it uses less digits than its factorization.

4465989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1381 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4465989 is about 2113.2886693493. The cubic root of 4465989 is about 164.6793773801.

The spelling of 4465989 in words is "four million, four hundred sixty-five thousand, nine hundred eighty-nine".