943542 has 32 divisors (see below), whose sum is σ = 2129760. Its totient is φ = 309600.

The previous prime is 943541. The next prime is 943543. The reversal of 943542 is 245349.

It is an interprime number because it is at equal distance from previous prime (943541) and next prime (943543).

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 (943541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (66555).

2⁹⁴³⁵⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 943542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064880).

943542 is an abundant number, since it is smaller than the sum of its proper divisors (1186218).

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

943542 is a wasteful number, since it uses less digits than its factorization.

943542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

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

The square root of 943542 is about 971.3609010044. The cubic root of 943542 is about 98.0814954483.

It can be divided in two parts, 943 and 542, that added together give a triangular number (1485 = T₅₄).

The spelling of 943542 in words is "nine hundred forty-three thousand, five hundred forty-two".