2948309 has 16 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 2306880.

The previous prime is 2948299. The next prime is 2948311. The reversal of 2948309 is 9038492.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2948309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16199 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

2^2948309 is an apocalyptic number.

It is an amenable number.

2948309 is a deficient number, since it is larger than the sum of its proper divisors (720811).

2948309 is a wasteful number, since it uses less digits than its factorization.

2948309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2948309 is about 1717.0640640349. The cubic root of 2948309 is about 143.3918053604.

The spelling of 2948309 in words is "two million, nine hundred forty-eight thousand, three hundred nine".