1961676 has 36 divisors (see below), whose sum is σ = 5132400. Its totient is φ = 631008.

The previous prime is 1961671. The next prime is 1961683. The reversal of 1961676 is 6761691.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1961676.

It is not an unprimeable number, because it can be changed into a prime (1961671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105 + ... + 1983.

2^1961676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1961676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566200).

1961676 is an abundant number, since it is smaller than the sum of its proper divisors (3170724).

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

1961676 is a wasteful number, since it uses less digits than its factorization.

1961676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1913 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1961676 is about 1400.5984435233. The cubic root of 1961676 is about 125.1821557586.

The spelling of 1961676 in words is "one million, nine hundred sixty-one thousand, six hundred seventy-six".