2146742 has 8 divisors (see below), whose sum is σ = 3467856. Its totient is φ = 990792.

The previous prime is 2146733. The next prime is 2146759. The reversal of 2146742 is 2476412.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 82567 = 2146742 / (2 + 1 + 4 + 6 + 7 + 4 + 2).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 4 + 6⁶ + 7⁴ + 4² + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41258 + ... + 41309.

It is an arithmetic number, because the mean of its divisors is an integer number (433482).

2^2146742 is an apocalyptic number.

2146742 is a deficient number, since it is larger than the sum of its proper divisors (1321114).

2146742 is a wasteful number, since it uses less digits than its factorization.

2146742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82582.

The product of its digits is 2688, while the sum is 26.

The square root of 2146742 is about 1465.1764398870. The cubic root of 2146742 is about 129.0010616262.

The spelling of 2146742 in words is "two million, one hundred forty-six thousand, seven hundred forty-two".