2949389 has 4 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 2794140.

The previous prime is 2949377. The next prime is 2949403. The reversal of 2949389 is 9839492.

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 not a de Polignac number, because 2949389 - 2²⁰ = 1900813 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 (2949319) 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, 77597 + ... + 77634.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

2^2949389 is an apocalyptic number.

It is an amenable number.

2949389 is a deficient number, since it is larger than the sum of its proper divisors (155251).

2949389 is a wasteful number, since it uses less digits than its factorization.

2949389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155250.

The product of its digits is 139968, while the sum is 44.

The square root of 2949389 is about 1717.3785255441. The cubic root of 2949389 is about 143.4093119203.

The spelling of 2949389 in words is "two million, nine hundred forty-nine thousand, three hundred eighty-nine".