2389742 has 8 divisors (see below), whose sum is σ = 3591216. Its totient is φ = 1192672.

The previous prime is 2389733. The next prime is 2389747. The reversal of 2389742 is 2479832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389747) 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 3 ways as a sum of consecutive naturals, for example, 1343 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (448902).

2^2389742 is an apocalyptic number.

2389742 is a deficient number, since it is larger than the sum of its proper divisors (1201474).

2389742 is a wasteful number, since it uses less digits than its factorization.

2389742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its digits is 24192, while the sum is 35.

The square root of 2389742 is about 1545.8790379587. The cubic root of 2389742 is about 133.6955664017.

The spelling of 2389742 in words is "two million, three hundred eighty-nine thousand, seven hundred forty-two".