2409742 has 4 divisors (see below), whose sum is σ = 3614616. Its totient is φ = 1204870.

The previous prime is 2409731. The next prime is 2409769. The reversal of 2409742 is 2479042.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2409742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602434 + ... + 602437.

It is an arithmetic number, because the mean of its divisors is an integer number (903654).

2^2409742 is an apocalyptic number.

2409742 is a deficient number, since it is larger than the sum of its proper divisors (1204874).

2409742 is a wasteful number, since it uses less digits than its factorization.

2409742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204873.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2409742 is about 1552.3343711971. The cubic root of 2409742 is about 134.0675014480.

The spelling of 2409742 in words is "two million, four hundred nine thousand, seven hundred forty-two".