1963380 has 48 divisors (see below), whose sum is σ = 5632704. Its totient is φ = 510720.

The previous prime is 1963369. The next prime is 1963391. The reversal of 1963380 is 833691.

It is an interprime number because it is at equal distance from previous prime (1963369) and next prime (1963391).

It is a super-2 number, since 2×1963380² = 7709722048800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2200 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (117348).

2^1963380 is an apocalyptic number.

1963380 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 1963380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816352).

1963380 is an abundant number, since it is smaller than the sum of its proper divisors (3669324).

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

1963380 is a wasteful number, since it uses less digits than its factorization.

1963380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1963380 is about 1401.2066228790. The cubic root of 1963380 is about 125.2183915522.

The spelling of 1963380 in words is "one million, nine hundred sixty-three thousand, three hundred eighty".