1940432 has 40 divisors (see below), whose sum is σ = 4270560. Its totient is φ = 846720.

The previous prime is 1940423. The next prime is 1940437. The reversal of 1940432 is 2340491.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1940398 and 1940407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (106764).

2^1940432 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 1940432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135280).

1940432 is an abundant number, since it is smaller than the sum of its proper divisors (2330128).

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

1940432 is a wasteful number, since it uses less digits than its factorization.

1940432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1940432 is about 1392.9938980484. The cubic root of 1940432 is about 124.7286272811.

The spelling of 1940432 in words is "one million, nine hundred forty thousand, four hundred thirty-two".