2309494 has 16 divisors (see below), whose sum is σ = 3816720. Its totient is φ = 1039360.

The previous prime is 2309491. The next prime is 2309497. The reversal of 2309494 is 4949032.

It is an interprime number because it is at equal distance from previous prime (2309491) and next prime (2309497).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

2^2309494 is an apocalyptic number.

2309494 is a deficient number, since it is larger than the sum of its proper divisors (1507226).

2309494 is a wasteful number, since it uses less digits than its factorization.

2309494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2309494 is about 1519.7019444615. The cubic root of 2309494 is about 132.1819880355.

The spelling of 2309494 in words is "two million, three hundred nine thousand, four hundred ninety-four".