1961736 has 32 divisors (see below), whose sum is σ = 5605440. Its totient is φ = 560448.

The previous prime is 1961683. The next prime is 1961737. The reversal of 1961736 is 6371691.

It is a junction number, because it is equal to n+sod(n) for n = 1961697 and 1961706.

It is not an unprimeable number, because it can be changed into a prime (1961737) 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, 5671 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (175170).

2^1961736 is an apocalyptic number.

It is an amenable number.

1961736 is an abundant number, since it is smaller than the sum of its proper divisors (3643704).

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

1961736 is a wasteful number, since it uses less digits than its factorization.

1961736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11693 (or 11689 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 1961736 is about 1400.6198627751. The cubic root of 1961736 is about 125.1834320232.

The spelling of 1961736 in words is "one million, nine hundred sixty-one thousand, seven hundred thirty-six".