1825146 has 32 divisors (see below), whose sum is σ = 4120320. Its totient is φ = 598752.

The previous prime is 1825141. The next prime is 1825157. The reversal of 1825146 is 6415281.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1825141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (128760).

2^1825146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060160).

1825146 is an abundant number, since it is smaller than the sum of its proper divisors (2295174).

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

1825146 is a wasteful number, since it uses less digits than its factorization.

1825146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 541 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1825146 is about 1350.9796445543. The cubic root of 1825146 is about 122.2078781452.

The spelling of 1825146 in words is "one million, eight hundred twenty-five thousand, one hundred forty-six".