738464 has 24 divisors (see below), whose sum is σ = 1487808. Its totient is φ = 360640.

The previous prime is 738457. The next prime is 738469. The reversal of 738464 is 464837.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 738464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738469) by changing a digit.

738464 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1259 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2⁷³⁸⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 738464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743904).

738464 is an abundant number, since it is smaller than the sum of its proper divisors (749344).

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

738464 is a wasteful number, since it uses less digits than its factorization.

738464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 540 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 738464 is about 859.3392810759. The cubic root of 738464 is about 90.3877917051.

The spelling of 738464 in words is "seven hundred thirty-eight thousand, four hundred sixty-four".