1961592 has 48 divisors (see below), whose sum is σ = 5145960. Its totient is φ = 622656.

The previous prime is 1961581. The next prime is 1961593. The reversal of 1961592 is 2951691.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961593) 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, 41713 + ... + 41759.

2^1961592 is an apocalyptic number.

1961592 is a gapful number since it is divisible by the number (12) 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 1961592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2572980).

1961592 is an abundant number, since it is smaller than the sum of its proper divisors (3184368).

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

1961592 is a wasteful number, since it uses less digits than its factorization.

1961592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 89 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 1961592 is about 1400.5684560206. The cubic root of 1961592 is about 125.1803689445.

Subtracting 1961592 from its reverse (2951691), we obtain a palindrome (990099).

The spelling of 1961592 in words is "one million, nine hundred sixty-one thousand, five hundred ninety-two".