2391086 has 4 divisors (see below), whose sum is σ = 3586632. Its totient is φ = 1195542.

The previous prime is 2391083. The next prime is 2391089. The reversal of 2391086 is 6801932.

2391086 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 an interprime number because it is at equal distance from previous prime (2391083) and next prime (2391089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391083) 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 as a sum of consecutive naturals, namely, 597770 + ... + 597773.

It is an arithmetic number, because the mean of its divisors is an integer number (896658).

2^2391086 is an apocalyptic number.

2391086 is a deficient number, since it is larger than the sum of its proper divisors (1195546).

2391086 is a wasteful number, since it uses less digits than its factorization.

2391086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195545.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2391086 is about 1546.3136809846. The cubic root of 2391086 is about 133.7206253364.

The spelling of 2391086 in words is "two million, three hundred ninety-one thousand, eighty-six".