712398 has 16 divisors (see below), whose sum is σ = 1463760. Its totient is φ = 230976.

The previous prime is 712357. The next prime is 712409. The reversal of 712398 is 893217.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

712398 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (91485).

2⁷¹²³⁹⁸ is an apocalyptic number.

712398 is an abundant number, since it is smaller than the sum of its proper divisors (751362).

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

712398 is a wasteful number, since it uses less digits than its factorization.

712398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 3024, while the sum is 30.

The square root of 712398 is about 844.0367290586. The cubic root of 712398 is about 89.3115370947.

The spelling of 712398 in words is "seven hundred twelve thousand, three hundred ninety-eight".