1616996 has 6 divisors (see below), whose sum is σ = 2829750. Its totient is φ = 808496.

The previous prime is 1616983. The next prime is 1617019. The reversal of 1616996 is 6996161.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 4096 = 1270^2 + 64^2 .

It is a super-2 number, since 2×1616996² = 5229352128032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202121 + ... + 202128.

It is an arithmetic number, because the mean of its divisors is an integer number (471625).

2^1616996 is an apocalyptic number.

It is an amenable number.

1616996 is a deficient number, since it is larger than the sum of its proper divisors (1212754).

1616996 is a wasteful number, since it uses less digits than its factorization.

1616996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404253 (or 404251 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 1616996 is about 1271.6115759146. The cubic root of 1616996 is about 117.3733901055.

The spelling of 1616996 in words is "one million, six hundred sixteen thousand, nine hundred ninety-six".