2391093 has 32 divisors (see below), whose sum is σ = 3840000. Its totient is φ = 1465776.

The previous prime is 2391091. The next prime is 2391097. The reversal of 2391093 is 3901932.

2391093 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 2391093 - 2¹ = 2391091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391091) 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 31 ways as a sum of consecutive naturals, for example, 30228 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (120000).

2^2391093 is an apocalyptic number.

It is an amenable number.

2391093 is a deficient number, since it is larger than the sum of its proper divisors (1448907).

2391093 is a wasteful number, since it uses less digits than its factorization.

2391093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 2391093 is about 1546.3159444305. The cubic root of 2391093 is about 133.7207558271.

The spelling of 2391093 in words is "two million, three hundred ninety-one thousand, ninety-three".