2309492 has 12 divisors (see below), whose sum is σ = 4079460. Its totient is φ = 1143936.

The previous prime is 2309491. The next prime is 2309497. The reversal of 2309492 is 2949032.

It can be written as a sum of positive squares in 2 ways, for example, as 1752976 + 556516 = 1324^2 + 746^2 .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (339955).

2^2309492 is an apocalyptic number.

It is an amenable number.

2309492 is a deficient number, since it is larger than the sum of its proper divisors (1769968).

2309492 is a wasteful number, since it uses less digits than its factorization.

2309492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2309492 is about 1519.7012864376. The cubic root of 2309492 is about 132.1819498794.

The spelling of 2309492 in words is "two million, three hundred nine thousand, four hundred ninety-two".