940438 has 4 divisors (see below), whose sum is σ = 1410660. Its totient is φ = 470218.

The previous prime is 940421. The next prime is 940469. The reversal of 940438 is 834049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834049 = 23 ⋅36263.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 235108 + ... + 235111.

It is an arithmetic number, because the mean of its divisors is an integer number (352665).

2⁹⁴⁰⁴³⁸ is an apocalyptic number.

940438 is a deficient number, since it is larger than the sum of its proper divisors (470222).

940438 is a wasteful number, since it uses less digits than its factorization.

940438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470221.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 940438 is about 969.7618264296. The cubic root of 940438 is about 97.9738233571.

It can be divided in two parts, 940 and 438, that added together give a triangular number (1378 = T₅₂).

The spelling of 940438 in words is "nine hundred forty thousand, four hundred thirty-eight".