2953989 has 10 divisors (see below), whose sum is σ = 4412870. Its totient is φ = 1969272.

The previous prime is 2953981. The next prime is 2953991. The reversal of 2953989 is 9893592.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 613089 = 1530^2 + 783^2 .

It is not a de Polignac number, because 2953989 - 2³ = 2953981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2953981) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18154 + ... + 18315.

It is an arithmetic number, because the mean of its divisors is an integer number (441287).

2^2953989 is an apocalyptic number.

It is an amenable number.

2953989 is a deficient number, since it is larger than the sum of its proper divisors (1458881).

2953989 is an equidigital number, since it uses as much as digits as its factorization.

2953989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36481 (or 36472 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2953989 is about 1718.7172542335. The cubic root of 2953989 is about 143.4838290688.

The spelling of 2953989 in words is "two million, nine hundred fifty-three thousand, nine hundred eighty-nine".