2042654 has 4 divisors (see below), whose sum is σ = 3063984. Its totient is φ = 1021326.

The previous prime is 2042647. The next prime is 2042657. The reversal of 2042654 is 4562402.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042657) 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 as a sum of consecutive naturals, namely, 510662 + ... + 510665.

It is an arithmetic number, because the mean of its divisors is an integer number (765996).

2^2042654 is an apocalyptic number.

2042654 is a deficient number, since it is larger than the sum of its proper divisors (1021330).

2042654 is a wasteful number, since it uses less digits than its factorization.

2042654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021329.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2042654 is about 1429.2144695601. The cubic root of 2042654 is about 126.8814898765.

The spelling of 2042654 in words is "two million, forty-two thousand, six hundred fifty-four".