2953391 has 4 divisors (see below), whose sum is σ = 3375312. Its totient is φ = 2531472.

The previous prime is 2953373. The next prime is 2953399. The reversal of 2953391 is 1933592.

2953391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2953391 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 (2953399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210950 + ... + 210963.

It is an arithmetic number, because the mean of its divisors is an integer number (843828).

2^2953391 is an apocalyptic number.

2953391 is a deficient number, since it is larger than the sum of its proper divisors (421921).

2953391 is an equidigital number, since it uses as much as digits as its factorization.

2953391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421920.

The product of its digits is 7290, while the sum is 32.

The square root of 2953391 is about 1718.5432784774. The cubic root of 2953391 is about 143.4741462162.

The spelling of 2953391 in words is "two million, nine hundred fifty-three thousand, three hundred ninety-one".