1656996 has 24 divisors (see below), whose sum is σ = 4218144. Its totient is φ = 502080.

The previous prime is 1656979. The next prime is 1656997. The reversal of 1656996 is 6996561.

It is not an unprimeable number, because it can be changed into a prime (1656997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6145 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (175756).

2^1656996 is an apocalyptic number.

It is an amenable number.

1656996 is an abundant number, since it is smaller than the sum of its proper divisors (2561148).

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

1656996 is a wasteful number, since it uses less digits than its factorization.

1656996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571 (or 12569 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 1656996 is about 1287.2435666959. The cubic root of 1656996 is about 118.3333483215. Note that the first 4 decimals are identical.

The spelling of 1656996 in words is "one million, six hundred fifty-six thousand, nine hundred ninety-six".