1961516 has 12 divisors (see below), whose sum is σ = 3489360. Its totient is φ = 964560.

The previous prime is 1961513. The next prime is 1961527. The reversal of 1961516 is 6151691.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1961513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (290780).

2^1961516 is an apocalyptic number.

It is an amenable number.

1961516 is a deficient number, since it is larger than the sum of its proper divisors (1527844).

1961516 is a wasteful number, since it uses less digits than its factorization.

1961516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8102 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 1961516 is about 1400.5413239173. The cubic root of 1961516 is about 125.1787522592.

The spelling of 1961516 in words is "one million, nine hundred sixty-one thousand, five hundred sixteen".