738624 has 28 divisors (see below), whose sum is σ = 1954784. Its totient is φ = 246144.

The previous prime is 738623. The next prime is 738643. The reversal of 738624 is 426837.

It is a junction number, because it is equal to n+sod(n) for n = 738591 and 738600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732 + ... + 2115.

2⁷³⁸⁶²⁴ is an apocalyptic number.

It is an amenable number.

738624 is an abundant number, since it is smaller than the sum of its proper divisors (1216160).

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

738624 is a wasteful number, since it uses less digits than its factorization.

738624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3852 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 738624 is about 859.4323708123. The cubic root of 738624 is about 90.3943192191.

The spelling of 738624 in words is "seven hundred thirty-eight thousand, six hundred twenty-four".