435942 has 56 divisors (see below), whose sum is σ = 1101744. Its totient is φ = 128304.

The previous prime is 435923. The next prime is 435947. The reversal of 435942 is 249534.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (435947) by changing a digit.

435942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18943 + ... + 18965.

It is an arithmetic number, because the mean of its divisors is an integer number (19674).

2⁴³⁵⁹⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 435942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550872).

435942 is an abundant number, since it is smaller than the sum of its proper divisors (665802).

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

435942 is a wasteful number, since it uses less digits than its factorization.

435942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 41 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 435942 is about 660.2590400744. The cubic root of 435942 is about 75.8245027220.

The spelling of 435942 in words is "four hundred thirty-five thousand, nine hundred forty-two".