1963860 has 48 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 515200.

The previous prime is 1963813. The next prime is 1963873. The reversal of 1963860 is 683691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4030 + ... + 4490.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

2^1963860 is an apocalyptic number.

1963860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1963860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794176).

1963860 is an abundant number, since it is smaller than the sum of its proper divisors (3624492).

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

1963860 is a wasteful number, since it uses less digits than its factorization.

1963860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1963860 is about 1401.3778933607. The cubic root of 1963860 is about 125.2285950330.

The spelling of 1963860 in words is "one million, nine hundred sixty-three thousand, eight hundred sixty".