732438 has 24 divisors (see below), whose sum is σ = 1813968. Its totient is φ = 209232.

The previous prime is 732373. The next prime is 732439. The reversal of 732438 is 834237.

732438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 732438.

It is not an unprimeable number, because it can be changed into a prime (732439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2781 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (75582).

2⁷³²⁴³⁸ is an apocalyptic number.

732438 is an abundant number, since it is smaller than the sum of its proper divisors (1081530).

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

732438 is a wasteful number, since it uses less digits than its factorization.

732438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 5825 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 732438 is about 855.8259168780. The cubic root of 732438 is about 90.1412596512.

The spelling of 732438 in words is "seven hundred thirty-two thousand, four hundred thirty-eight".