943940 has 24 divisors (see below), whose sum is σ = 2005080. Its totient is φ = 373248.

The previous prime is 943931. The next prime is 943951. The reversal of 943940 is 49349.

It is a happy number.

943940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 906304 = 194^2 + 952^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (83545).

2⁹⁴³⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

943940 is an abundant number, since it is smaller than the sum of its proper divisors (1061140).

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

943940 is a wasteful number, since it uses less digits than its factorization.

943940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 943940 is about 971.5657466173. The cubic root of 943940 is about 98.0952842525.

The spelling of 943940 in words is "nine hundred forty-three thousand, nine hundred forty".