2091742 has 8 divisors (see below), whose sum is σ = 3180816. Its totient is φ = 1031472.

The previous prime is 2091737. The next prime is 2091763. The reversal of 2091742 is 2471902.

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

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, 7018 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (397602).

2^2091742 is an apocalyptic number.

2091742 is a deficient number, since it is larger than the sum of its proper divisors (1089074).

2091742 is a wasteful number, since it uses less digits than its factorization.

2091742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14402.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2091742 is about 1446.2855872890. The cubic root of 2091742 is about 127.8898384864.

The spelling of 2091742 in words is "two million, ninety-one thousand, seven hundred forty-two".