1392498 has 32 divisors (see below), whose sum is σ = 3136320. Its totient is φ = 457920.

The previous prime is 1392497. The next prime is 1392527. The reversal of 1392498 is 8942931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1392497) 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, 5658 + ... + 5898.

It is an arithmetic number, because the mean of its divisors is an integer number (98010).

2^1392498 is an apocalyptic number.

1392498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568160).

1392498 is an abundant number, since it is smaller than the sum of its proper divisors (1743822).

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

1392498 is a wasteful number, since it uses less digits than its factorization.

1392498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1392498 is about 1180.0415246931. The cubic root of 1392498 is about 111.6687170733.

The spelling of 1392498 in words is "one million, three hundred ninety-two thousand, four hundred ninety-eight".