1172398 has 8 divisors (see below), whose sum is σ = 1763280. Its totient is φ = 584640.

The previous prime is 1172393. The next prime is 1172401. The reversal of 1172398 is 8932711.

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 (1172393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (220410).

2^1172398 is an apocalyptic number.

1172398 is a deficient number, since it is larger than the sum of its proper divisors (590882).

1172398 is an equidigital number, since it uses as much as digits as its factorization.

1172398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its digits is 3024, while the sum is 31.

The square root of 1172398 is about 1082.7732911372. The cubic root of 1172398 is about 105.4447649290. Note that the first 3 decimals are identical.

The spelling of 1172398 in words is "one million, one hundred seventy-two thousand, three hundred ninety-eight".