738442 has 8 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 367500.

The previous prime is 738421. The next prime is 738443. The reversal of 738442 is 244837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 738442.

It is not an unprimeable number, because it can be changed into a prime (738443) by changing a digit.

738442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2⁷³⁸⁴⁴² is an apocalyptic number.

738442 is a deficient number, since it is larger than the sum of its proper divisors (374390).

738442 is a wasteful number, since it uses less digits than its factorization.

738442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its digits is 5376, while the sum is 28.

The square root of 738442 is about 859.3264804485. The cubic root of 738442 is about 90.3868940982.

It can be divided in two parts, 73 and 8442, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 738442 in words is "seven hundred thirty-eight thousand, four hundred forty-two".