1425798 has 48 divisors (see below), whose sum is σ = 3556800. Its totient is φ = 408240.

The previous prime is 1425797. The next prime is 1425811. The reversal of 1425798 is 8975241.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3573 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (74100).

2^1425798 is an apocalyptic number.

1425798 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 1425798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778400).

1425798 is an abundant number, since it is smaller than the sum of its proper divisors (2131002).

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

1425798 is a wasteful number, since it uses less digits than its factorization.

1425798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1425798 is about 1194.0678372689. The cubic root of 1425798 is about 112.5518575737.

The spelling of 1425798 in words is "one million, four hundred twenty-five thousand, seven hundred ninety-eight".