731488 has 12 divisors (see below), whose sum is σ = 1440180. Its totient is φ = 365728.

The previous prime is 731483. The next prime is 731501. The reversal of 731488 is 884137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2⁷³¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

731488 is a deficient number, since it is larger than the sum of its proper divisors (708692).

731488 is a wasteful number, since it uses less digits than its factorization.

731488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22869 (or 22861 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 731488 is about 855.2707173755. The cubic root of 731488 is about 90.1022705731.

The spelling of 731488 in words is "seven hundred thirty-one thousand, four hundred eighty-eight".