1961652 has 72 divisors (see below), whose sum is σ = 5779648. Its totient is φ = 506880.

The previous prime is 1961651. The next prime is 1961653. The reversal of 1961652 is 2561691.

It is an interprime number because it is at equal distance from previous prime (1961651) and next prime (1961653).

It is a d-powerful number, because it can be written as 1 + 9² + 6² + 1 + 6³ + 5⁹ + 2¹³ .

Its product of digits (3240) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10068 + ... + 10260.

2^1961652 is an apocalyptic number.

1961652 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 1961652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889824).

1961652 is an abundant number, since it is smaller than the sum of its proper divisors (3817996).

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

1961652 is a wasteful number, since it uses less digits than its factorization.

1961652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 216 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 1961652 is about 1400.5898757309. The cubic root of 1961652 is about 125.1816452455.

The spelling of 1961652 in words is "one million, nine hundred sixty-one thousand, six hundred fifty-two".