2906489 has 4 divisors (see below), whose sum is σ = 2943360. Its totient is φ = 2869620.

The previous prime is 2906483. The next prime is 2906509. The reversal of 2906489 is 9846092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2906489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2906483) 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, 18317 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (735840).

2^2906489 is an apocalyptic number.

It is an amenable number.

2906489 is a deficient number, since it is larger than the sum of its proper divisors (36871).

2906489 is an equidigital number, since it uses as much as digits as its factorization.

2906489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2906489 is about 1704.8428080031. The cubic root of 2906489 is about 142.7105986297.

The spelling of 2906489 in words is "two million, nine hundred six thousand, four hundred eighty-nine".