2249391 has 24 divisors (see below), whose sum is σ = 3316224. Its totient is φ = 1354320.

The previous prime is 2249381. The next prime is 2249393. The reversal of 2249391 is 1939422.

2249391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2249391 - 2¹³ = 2241199 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249393) 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 23 ways as a sum of consecutive naturals, for example, 33540 + ... + 33606.

It is an arithmetic number, because the mean of its divisors is an integer number (138176).

2^2249391 is an apocalyptic number.

2249391 is a deficient number, since it is larger than the sum of its proper divisors (1066833).

2249391 is a wasteful number, since it uses less digits than its factorization.

2249391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 120 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 2249391 is about 1499.7969862618. The cubic root of 2249391 is about 131.0252461880.

The spelling of 2249391 in words is "two million, two hundred forty-nine thousand, three hundred ninety-one".