1612616 has 8 divisors (see below), whose sum is σ = 3023670. Its totient is φ = 806304.

The previous prime is 1612609. The next prime is 1612619. The reversal of 1612616 is 6162161.

It can be written as a sum of positive squares in only one way, i.e., 1331716 + 280900 = 1154^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1612591 and 1612600.

It is not an unprimeable number, because it can be changed into a prime (1612619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100781 + ... + 100796.

2^1612616 is an apocalyptic number.

It is an amenable number.

1612616 is a deficient number, since it is larger than the sum of its proper divisors (1411054).

1612616 is a wasteful number, since it uses less digits than its factorization.

1612616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201583 (or 201579 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 1612616 is about 1269.8881840540. Note that the first 3 decimals coincide. The cubic root of 1612616 is about 117.2673168005.

Adding to 1612616 its reverse (6162161), we get a palindrome (7774777).

The spelling of 1612616 in words is "one million, six hundred twelve thousand, six hundred sixteen".