1972616 has 8 divisors (see below), whose sum is σ = 3698670. Its totient is φ = 986304.

The previous prime is 1972613. The next prime is 1972627. The reversal of 1972616 is 6162791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 556516 = 1190^2 + 746^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1972613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123281 + ... + 123296.

2^1972616 is an apocalyptic number.

It is an amenable number.

1972616 is a deficient number, since it is larger than the sum of its proper divisors (1726054).

1972616 is a wasteful number, since it uses less digits than its factorization.

1972616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246583 (or 246579 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1972616 is about 1404.4984870052. The cubic root of 1972616 is about 125.4144324475.

The spelling of 1972616 in words is "one million, nine hundred seventy-two thousand, six hundred sixteen".