1425888 has 36 divisors (see below), whose sum is σ = 4055688. Its totient is φ = 475200.

The previous prime is 1425883. The next prime is 1425889. The reversal of 1425888 is 8885241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2188 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (112658).

2^1425888 is an apocalyptic number.

1425888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1425888 is an abundant number, since it is smaller than the sum of its proper divisors (2629800).

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

1425888 is a wasteful number, since it uses less digits than its factorization.

1425888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967 (or 4956 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 1425888 is about 1194.1055229753. The cubic root of 1425888 is about 112.5542257105.

The spelling of 1425888 in words is "one million, four hundred twenty-five thousand, eight hundred eighty-eight".