1382398 has 4 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 691198.

The previous prime is 1382393. The next prime is 1382419. The reversal of 1382398 is 8932831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8932831 = 19 ⋅470149.

It is a super-2 number, since 2×1382398² = 3822048460808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345598 + ... + 345601.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

2^1382398 is an apocalyptic number.

1382398 is a deficient number, since it is larger than the sum of its proper divisors (691202).

1382398 is an equidigital number, since it uses as much as digits as its factorization.

1382398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691201.

The product of its digits is 10368, while the sum is 34.

The square root of 1382398 is about 1175.7542260183. The cubic root of 1382398 is about 111.3980782846.

The spelling of 1382398 in words is "one million, three hundred eighty-two thousand, three hundred ninety-eight".