747398 has 8 divisors (see below), whose sum is σ = 1125480. Its totient is φ = 372240.

The previous prime is 747391. The next prime is 747401. The reversal of 747398 is 893747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747391) by changing a digit.

747398 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (140685).

2⁷⁴⁷³⁹⁸ is an apocalyptic number.

747398 is a deficient number, since it is larger than the sum of its proper divisors (378082).

747398 is a wasteful number, since it uses less digits than its factorization.

747398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 42336, while the sum is 38.

The square root of 747398 is about 864.5218331540. The cubic root of 747398 is about 90.7508379486.

It can be divided in two parts, 74739 and 8, that added together give a palindrome (74747).

The spelling of 747398 in words is "seven hundred forty-seven thousand, three hundred ninety-eight".