1498398 has 32 divisors (see below), whose sum is σ = 3324672. Its totient is φ = 446400.

The previous prime is 1498391. The next prime is 1498403. The reversal of 1498398 is 8938941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1498391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4663 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (103896).

2^1498398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1498398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662336).

1498398 is an abundant number, since it is smaller than the sum of its proper divisors (1826274).

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

1498398 is a wasteful number, since it uses less digits than its factorization.

1498398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its digits is 62208, while the sum is 42.

The square root of 1498398 is about 1224.0906829153. The cubic root of 1498398 is about 114.4306579120.

The spelling of 1498398 in words is "one million, four hundred ninety-eight thousand, three hundred ninety-eight".