1656042 has 8 divisors (see below), whose sum is σ = 3312096. Its totient is φ = 552012.

The previous prime is 1656019. The next prime is 1656043. The reversal of 1656042 is 2406561.

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

1656042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1656043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137998 + ... + 138009.

It is an arithmetic number, because the mean of its divisors is an integer number (414012).

2^1656042 is an apocalyptic number.

1656042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1656042 is a wasteful number, since it uses less digits than its factorization.

1656042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276012.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1656042 is about 1286.8729541023. The cubic root of 1656042 is about 118.3106341878.

The spelling of 1656042 in words is "one million, six hundred fifty-six thousand, forty-two".